Have someone move the choke lever so you can see if the choke moves. It will keep running in open loop (default rich mixture) setting until it gets a signal it likes from the ECT sensor. Another clear sign of a bad throttle position sensor is random stalling, occurring regardless of whether your vehicle is idling or being driven. The underlying cause is often a vacuum leak in the intake manifold or behind the throttle body that allows unmetered air to bypass the airflow sensor. If it's broken or disconnected, fix it. If the thermostat becomes stuck in the open position, there is continuous flow of coolant into the radiator causing the engine to run cold. Limp home mode defined, What is limp home mode, computer, sensor diagnosis, driveability, check engine light, service engine soon light, transmission limp home mode stuck in second gear Auto and Truck Repair and Advice. Didn't notice it 'making oil', though, but it never got out of the driveway like that, so no history with running it that way. started up fine but when i got going started to stall again. Treatment during the detoxification process of alcohol rehabilitation can help ease symptom's severity and limit their. Datatables Filter Callback. The photo is. Either side it cools off but in this range it warms up fast. Cause: The thermostat is stuck open. All of the manual listed below are full factory service manuals with hundreds of pages containing step by step instructions, full wiring diagrams and detailed illustrations and photos on how to repair, rebuild or maintain virtually anything to your Sea-Doo. Take a look at a typical Honda crankcase ventilation system that uses engine vacuum to draw contaminants out of the crankcase and reintroduce it back into the intake manifold for recycling, known. How often should I change my oil in my Suzuki outboard? A. A faulty EGR valve may also cause your check engine light to come. The Chevrolet Traverse can comfortably seat up to eight adults, while leaving good cargo space behind the third row. I pulled the thermostat and shot water up the hose again, only a trickle out of the thermostat hole. 9 & 15 hp outboards 1974 - 1992 (Engine Troubleshooting) I am sure that sometime you may acquire a motor, or be asked to help with one that has sat for some time & or possibly will not start. And I know the thermostats are new, but did you actually test them and see if they open at the expected temperature? Maybe the ones you installed are just defective. Find out what the RVP of the fuel in the boat’s fuel tank is. My outboard has done this many times and it is annoying but as long as you have mixed the gas there is no harm to running it I have the sticker on the control box that gives the different alarms and associtated engine symptoms and the cause, I will get thaty and post it up. Plus I know two stroke motors need to run hot enough to burn carbon so I want to make sure I am running hot enough. Designed with a cut-away slot, the oxygen sensor socket can be used without disconnecting the sensor. Southeast Region Businesses for Sale. The symptoms were relatively the same: no power on the freeway, surging RPM’s, and check engine light on with various throttle position sensor codes. There are also a few pieces or components that should be replaced within. We are not affiliated with Mercury Marine and accept no advertising. Symptoms, based on severity of the leak, can range from an overly lean. On 1998 and later models with 2. Heres the thing. Re: Outboard Motor - running without thermostat. Yamaha outboard motors are equipped with a thermostat that limits the quantity of cooling water allowed into the motor until the motor reaches its normal operating temperature. A clicking sound when turning is one of the classic symptoms of a worn or damaged “constant velocity” (CV) joint. If you have experienced problems with a Yamaha first-generation F-Series four-stroke outboard motor, you may be able to file a claim to recover compensation for repairs, replacements and other related losses. If your sensor is bad, the ECU is seeing a cold engine even though it may have warmed up. To Shut Down 1. Buy Lotto, EuroMillions and Set For Life tickets and check your results online. This website uses cookies to provide you the best online experience. Apr 24, 2016- Keeping your Honda in tip~top working condition. Overheating A bad thermostat can cause a car to overheat if the thermostat gets st. 9/15hp Outboard Motors enough for the motor to warm up & the thermostat to open, then your only exit is out the small pee. Fuel mileage will also suffer, and you may see a check engine light followed by a readable code in your car's OBD-II or newer computer. 95! Mercury 2-Stroke Outboard Boat Motor service manuals are available for immediate download! This service is available for only $4. My aftermarket oil pressure gauge is reading 7 psi at cold idle. It may also come from bad wiring, leaking injections or driving too slow for too long a time. and still working fine. : OM1E 0A60U0. After a few minutes the pistons will cool and unstick or unseize and sometimes the engine can be restarted. Watch the temp gauge as the engine warms up. Power pack, stator, timerbase, regulator. Outboard EFI engines operate on the fuel injection strategy called "Speed/Density". When the thermostat is closed, coolant flows to the water pump through a bypass passage at the front of the engine. The last thing you want is to get stuck in the middle of the road. Remove the battery cables from the battery terminals by loosening the nut on each cable clamp. This ignition system produces very high voltages and due care and caution must be practiced in working with it. It would be easy to check the thermostat. We are nation wide with chapters in most states and our membership is constantly growing. And if you have a shout out or a question to share, we're here for that too. It turns off the interior lamps after 10 minutes if the dome lamp switch is off. The thermostat only controls engine temperature at lower rpms when running higher rpms. List the faults which could cause low oil pressure in a force feed engine lubrication system. Next, all engine, transmission and driveshaft mounts should be checked. Firelite Ms9200udls. How this vital engine component works to protect your boat. Unlikely, but what you describe (overheat at idle, fine at other speeds) sounds like a sticky valve. It could be many different things, you need to put down more information. July 19, 2013. Fuel filler cap stuck closed, preventing vacuum relief. the needed parts are available from cummis engine. lf it does not open at specified temperature, replace thermostat. Disconnect the Mercury Outboard switch and reset, if the engine fires, replace the Mercury Outboard switch. YXZ Talk Forum is the largest online community for Yamaha YXZ 1000 fans. It can be stuck shut, it can be stuck open, it can be partially open, it could be opening at the wrong temperature and it could just come apart and be broken. Likewise, if the thermostat is "stuck" open, the flow of coolant is constant, it results in the car's engine temperature never reaching an optimum level of heat, producing performance problems and accelerating the wear-down of parts. Shutterstock offers the best quality, royalty free stock images, photos, vectors, illustrations, footage, video, and music for nearly any application. 3 Fuel Injection Tech Article The technical/repair portion of this article is essentially finished. A: The most common causes of body squeaks and rattles are something flexing or something loose. Not such a problem in hot weather, but something you need to fix before it gets cool/cold, or your engine will never "warm up". If the engine overheats it can cause a head gasket to fail or even a cracked head. the thermostat - if it is "stuck open" - might cause the engine to "run cold" in response the ECM will increase idle but should run strong enough to go in and out of gear but a "stuck open" thermostat is obvious on inspection if the engine temp sensor is giving the ECM "wacky" input - then the engine may run poorly. It's possible some sort of junk got stuck in there and isn't allowing it to fully open. Re: Symptoms of a faulty Thermostat That's consistent with a sticking t-stat, but those weirdo dual pocket deals have all kinds of tricks. Actually, the engine was running 'great', full throttle wide-open ! I think I may have violated the 45MPH rule ! Yesterday, took boat out on water for about 30 min, stopped, anchored took a swim. Just remember if you rebuild it, to open all cylinders to. 300" but you have to push quite hard to get it to retract when cold. the current thermostat can be replaced with a new low leak thermostat. Research the yearly spend on gasoline for every Jaguar in our database. Most accidents can be prevented if you follow all instructions in this manual and on the outboard motor. It is highly recommended that if the. First thing to do is to make sure that the coolant temperature is up to operating temperature, 195 degrees F or higher. If you have experienced problems with a Yamaha first-generation F-Series four-stroke outboard motor, you may be able to file a claim to recover compensation for repairs, replacements and other related losses. In my case, it seems like one cylinder is firing all the time, but one cylinder is cutting in and out sometimes. I just changed my plugs yesterday, since my boat was running a bit rough lately, making sure I gapped them correctly this time too, since last time I didn’t actually know what they were suppose to be gapped at, ask a boat dealer, they can tell you, and. Once they knew they were stuck, (the Sherriff continued on with his tale,) once they knew they were stuck and would not be moving the car any time soon, they tried to force the passenger door open. Inspect the back of it of it is driping water - ther bearings are about to fail. Stuck bystarter valve. No air bubbles were visible at idle or wide open throttle. Kindly help locate the sensor and also guide on which diagnostic tool is recommended to completely clear fault codes. Could You Be Owed Money? Free Review of Your Outboard Motor Problems. You should also check your coolant hoses for kinks or cracks which could lead to leaks. 7L Engine Diagnosis steps 3-4. I think it works too. A float valve controls the gas flow into, and out of, a traditional carburetor. 11 to 15 RVP (cool to cold weather) fuel will change from liquid to a vapor at lower fuel temperature than 8 to 10 RVP (warm to hot weather) fuel will. If so, your new thermostat was not opening up. Another clear sign of a bad throttle position sensor is random stalling, occurring regardless of whether your vehicle is idling or being driven. Heres the thing. Our inboard and outboard fuel injector cleaning service, is performed by knowledgeable and experienced technicians. Can no thermostat cause overheating? I recently bought a project nissan 240sx from a guy that said he swapped a stock ka24de motor into it, it overheated and he parked it for 3 years. Shop Vintage Mercury Racing Outboards available for sale today on the internet. Sometimes a gentle tap on the thermostat housing with the handle of a screwdriver will wake the thermostats up. Other symptoms that don't generate codes No heat - Airlock in system. View Order Outboardparts. The ones on the PDQ36 are new, but that'll be their maintenance cycle as well. Slide Thermostat switch to the Off position. Additionally, a very long time before the block fills with water and the stream is weak at slow speeds and idle. Some symptoms of restricted that is stuck open or closed. If I don't, it takes a pair of channel locks to open it up, instead of by hand. Checking steps (1) Tilt the outboard all the way up and lock it with the tilt stop levers 1. For electric motors used in most HVAC applications motor full speed is usually 1725 or 3450 rpm, though some equipment may use variable speed motors as well. My dad had a 40 hp yamaha that had the same symptoms, but it was an easy fix. An EGR valve that is stuck open can result in an air-fuel mixture that is too lean. If the shifter button is stuck all the way in, you can put the vehicle into park, but unless you apply your foot to the brake, it won’t shift out of park. Coincidentally, it is less viscous than Honda DW-1 (good in your situation) but moreso than Amsoil fuel-efficient. Read Comments. In addition, the car interior will not heat up properly. At the heart of a thermostat is the thermal element, technically called a vernatherm. Symptoms did not noticeably improve, continues to be a negative feature of the vehicle. It may lodge in the plumbing and cause future problems during plumbing repairs. No big deal. Engines that idle too slow , will misfire, some idle at 400 RPM with EGR stuck open or ISC stuck closed. Watch the temp gauge as the engine warms up. Another clear sign of a bad throttle position sensor is random stalling, occurring regardless of whether your vehicle is idling or being driven. Just because it's not peeing water does not mean the motor is not pumping water and that you've ruined everything. Research the yearly spend on gasoline for every Jaguar in our database. But the diagnostic tool couldn't erase the fault code from the car's memory. Which is cheaper, and surer? You DO have a repair manual, don. On/off vacuum switching valve (VSV) In this style valve, a solenoid operated valve is switched open or closed by the PCM. What happens is the valve is stuck open and water dumps out before reaching the upper cylinders at low speed idle. Starts to open 71c & fully open 85c. I felt the motor cover and its perfectly cold, not even close to being warm. Also, the anti-syphon valve (if fitted) on the boat's fuel tank outlet can be faulty, causing those kinds of symptoms - it can get stuck and at idle speeds the engine isnt sucking fuel in large enough volumes to keep it open. : OM1E 0A60U0. If the engine doesn't reach operating temp for a long time it is probably the thermostat stuck open. View car care tips, shop online for home delivery or pick up in one of our 4000 convenient store locations in 30 minutes or less. In fact, a recent sea trail with a set of Mercury controls only 9 months old ended up with the idle control button stuck and jammed with the engine racing away out of control and no way to stop it. I was also getting water in the oil and figured this was a result of 1) overcranking when I tried to start it with bad/old/watery gas last Fall and/or 2) the stuck valve causing that cylinder not to fire, allowing for low enough exhaust pressure for water to back up or something again, not sure which happened first, because in hindsight the. Never pour mercury down a drain. If it has a thermostat, it could be stuck shut with calcium or other buildup causing water to not reach the hose. The passages in his gas cap became clogged over time and it would die after several minutes of run time. The list of symptoms and possible causes below should help you get a better idea of what's causing your engine to act up. The water pump is working because it streams water ok. Knowing exactly how the head gasket works can help steer you in the right direction when it comes to making a successful diagnosis and repair. The previous owner barely put 20. If the noise you hear is a fast tap or clatter near the top of the engine, it could be valve noise which would require you to have some - 1999-2005 Pontiac Grand Am. These symptoms are abnormal noise, high fluid temperature and slow operation. A float valve controls the gas flow into, and out of, a traditional carburetor. The Chevrolet Traverse can comfortably seat up to eight adults, while leaving good cargo space behind the third row. Need some advise or things I can try Motor is a 40 hp Mercury 2 stroke (Aprox 1992 or so. 1 cm) across and should have an oil symbol (or have the word “oil”) on top. Sometimes a gentle tap on the thermostat housing with the handle of a screwdriver will wake the thermostats up. Open or short in HO2 sensor circuit or oxygen sensor or Engine coolant temperature (ECT) sensor indicates that the engine has not reached the required temperature level to enter closed-loop operation within a specified amount of time after starting the engine. It can be stuck shut, it can be stuck open, it can be partially open, it could be opening at the wrong temperature and it could just come apart and be broken. There are 4 common symptoms associated with a bad or failing thermostat. All you need is one of our choke thermostat replacements. 5 volts at wide-open throttle. 4 engines are commonly known for intake gasket leaks and the 3. Each person has to figure the connections out for their particular configuration. If your car is running unusually cool and not building up any heat in the engine, it's likely that your thermostat is stuck open and is letting too much coolant through. Last time out in my Revenge with 1990 Johnson 150 carburated two-stroke I noticed that the port side temperature gauge was indicating a low temperature while at cruise, but normal temperature while at idle. Bosch Motronic Basic, Motronic 1. Thermostat Though the thermostat is not often the cause of overheating in outboard motors, it can be damaged due to high heat. Before motors were engineered with electronic fuel injection, this style of traditional carburetor was found on most motors. On 1998 and later models with 2. THINKING OUT LOUD. Just above the anti-ventilation plate there are some "slots". Keep this owner's manual handy, so you can refer to it at any time. Free Online Repair Manuals : Auto Repair, Phone Repair, Computer Repair, Home Repair, Camera Repair, Printer Repair, Television Repair, Tips & Tricks, etc. I found the throttle position sensor voltage was out of spec and was able to adjust that using the scan tool and a voltmeter. Overcooled engines run inefficiently , which leads to increased fuel consumption and higher emission levels and engine parts enduring more wear. Unlikely, but what you describe (overheat at idle, fine at other speeds) sounds like a sticky valve. Drivers and passengers will appreciate the quiet cabin, comfortable seats and well-finished interior. Google has many special features to help you find exactly what you're looking for. Perhaps you have damaged or worn out gaskets or seals. So that leaves it to a clogged radiator, clogged heater core or bad water pump. It can be stuck shut, it can be stuck open, it can be partially open, it could be opening at the wrong temperature and it could just come apart and be broken. Hello, Sorry in advance for the long thread. View and Download Yamaha F250 LF250 owner's manual online. to 'limp' into a service center. This was a common problem with the older Johnson and Evinrude cross-flow V-4 outboards. 2015 Chevrolet Tahoe Technical Service Bulletins. Remember, the idle screw is used to open the throttle plates a little bit. Either calcium or a hunk of the old impeller. What does P0122 mean? This diagnostic trouble code (DTC) is a generic powertrain code and applies to many OBD-II vehicles (1996-newer). Replaced thermostats etc. If you have trouble getting your car to start in the morning, the choke may not be working properly. water, motor was running at 130 deg range it picked up a pebble and stuck it in a thermostat (held it open) I had Smart Craft gauges and always have it on eng. -a faulty thermostat will either become stuck open, stuck closed, or perhaps something in between where your temperature fluctuates large amounts Causes and Symptoms of Over Heating Car Engine. Re: Mercury EFI outboard problem Post by mrbassin0614 » Wed Jan 11, 2012 7:31 am Ok so the bulb doesnt stay hard after youve been running it for a while. Engine decarbonizing machine that burns off and eliminates carbon deposits via a hydrogen pulse. It filters fuel coming into the outboard. 5L TBI engine. Ill just have to dig into it. View car care tips, shop online for home delivery or pick up in one of our 4000 convenient store locations in 30 minutes or less. Kindly help locate the sensor and also guide on which diagnostic tool is recommended to completely clear fault codes. If you have built in tanks then you could also have a stuck anti-siphon valve in the line coming out of the tank- and these will drive you crazy when they start to stick. If you own a marine vessel, you will eventually need to make some repairs. A faulty or failing stator can cause one or more symptoms. When this gets plugged there is no flow and the engine runs rich since the choke doesn’t open all the way. The coil is easy to test using an ohm meter. We feel our oil is the best available on the market today. [Tip from Pomp] My Volvo's been having all the same overheating symptoms I've been reading about on the board. The fuel pump relay is located under. Engine is running normally. As more cancer cells develop, they can spread to other areas of the body. Jeep Liberty Check Engine Light/Misfire Due to Intake Valve Locks/Valves - 578 reports. Replace thermostat as described on page 7-19 of the service manual and re-run 2. Not sure if this is the same on the Integra, but on my 2003 SEAT Leon I have the same issue, and the cause I believe is that the thermostat is stuck open - this is either due to a failed temperature sender unit (so the thermostat never gets the signal to close) or the thermostat itself needs replacing - that'd be the first places I'd look. It can also cause the water to come out of the exhaust, creating an idle issue. It is important to get the right part to ensure that your Mercury boat will operate smoothly even during the most difficult waves. Yesterday we ran into 99-degree heat and it never once ran hot. Mercury 2-Stroke Outboard Boat Motor Service Manuals for only $4. Usually the idle will not be as good as it used to be. The entire exhaust system and its hangers should be inspected for evidence of flexing, movement or contact. Causes and Symptoms of a Bad Intake Air Temperature (IAT) Sensor An IAT sensor is an important component that is needed while starting up a vehicle's engine. I have a 1993 Johnson 25HP outboard and I want to check the temperature after it is warmed up to see if the thermostat is working properly. You'll know if your EGR valve is stuck or malfunctioning because your car will experience symptoms like rough idle and bucking on acceleration. Car engines, outboard boats and even lawnmowers used the same style carburetor system to control the mixture of gas and air that power the motor. However, if you ever find yourself without internet access, a multimeter is very handy at measuring resistance. July 19, 2013. A thermostat that is stuck in the closed position will cause your vehicle to overheat. See more ideas about Honda fit, Honda and 2009 honda fit. YXZ Talk Forum is the largest online community for Yamaha YXZ 1000 fans. Spray some carburetor cleaner on the choke and then wipe it down with a rag to clean out dirt. Never pour mercury down a drain. An oil change is performed and the car's fluids are filled. Your thermostat is designed to then open up when the coolant reaches this specific temperature, allowing coolant to flow into the radiator. 2 automatic I have also seen coolant spray out of the spark plug holes while cranking the engine with the plugs removed. temp higher than usual when. View and Download Yamaha F250 LF250 owner's manual online. View and Download Honda BF8D owner's manual online. I then sprayed out the radiator fins from the engine side out. As i was taking the carb apart i. The thermostat will have to wait for another day. Likewise, if the thermostat is “stuck” open, the flow of coolant is constant, it results in the car’s engine temperature never reaching an optimum level of heat, producing performance problems and accelerating the wear-down of parts. It is a valve which stays closed until the engine warms up. 7L Engine Diagnosis steps 3-4. It's called producing oil. This of course is all that's needed if the thermostat is working properly and there's no binding in the linkage etc. Update: The problem was repaired back to the original condition. No big deal. Running the engine with a STUCK thermostat could damage the engine (incl overheating) depending at what temperature the thermostat stuck. Engine is running normally. temp in cold weather/water. Can you open the fuel cap easily? Or, is it one where it takes a bit of work to open? For example, I have a twist fuel cap that doesn't vent well. If a motor overheats from cooling system failure, quickly remove the spark plugs and pour oil into the cylinder to keep the piston rings from ceasing up in the cylinder. If your plug tip and side electrode are blackened, they have been running with too much fuel (or possibly too cool from a stuck-open thermostat). although usually they just “seep” a little oil onto the engine which causes a burning smell and maybe a little smoke under the hood. The hard to remove hub, stuck driveshaft, guest and runs to ECP took up too much time. Replace thermostat as described on page 7-19 of the service manual and re-run 2. If the engine overheats it can cause a head gasket to fail or even a cracked head. The first oil change is at the 20-hour service and then every 6 months or 100 hours. Be sure to point the spring end of the thermostat into the engine block when replacing. This occurred at seven years of service years and about 350 hr. Checking steps (1) Tilt the outboard all the way up and lock it with the tilt stop levers 1. MERCRUISER HORN WARNING SYSTEMS 90-898301003 JUNE 2007 Page 3 / 10 1989-1994 4. Engines, Motors, Fuel Tanks, and more. Improperly adjusted control cables. Lean misfire can also be caused by an EGR valve that is stuck open or is not closing fully. So there's that. This section will deal basically with getting a motor running, & not fine tuning. In all three areas, it would have a negative effect on the way the engine runs, especially when the engine is idling. I know a stuck open thermostat can cause carbon build up by not letting the motor get up to operating temperature so that's why I ask that question. Tohatsu outboards were originally developed for commercial Japanese fishermen who needed a motor that could run for days on end, no matter what the weather. It could be many different things, you need to put down more information. Symptoms, based on severity of the leak, can range from an overly lean. In this valve, a is pellet thermostat is located in contact with engine coolant. Bottomline: since thermostat is so cheep to replace, yet plays such a vital role in properly maintaining engine's health (if it runs cold, you get carbon build up inside your engine, serious fuel dilution to motor oil (due to richened F/A ratio during open loop running), etc. 3 gallons of gasoline per hour. Remember that the rated temperature of a thermostat is the temperature that it begins to open. A clicking sound when turning is one of the classic symptoms of a worn or damaged “constant velocity” (CV) joint. They usually fail all the way: either stuck open or stuck closed. Usually the idle will not be as good as it used to be. Briggs Support is on Twitter. Stuck or fouled shaft - Shaft easily turns by hand when in neutral Low idle jet circuit dirty or out of adjustment- If this was the case would it not idle at 800 or lower RPMs Points and timiing. A Total waste. just like you. This means that the ECM primarily looks at the engine's speed and the intake manifold's air density in order to calculate the correct amount of fuel to inject. Engine decarbonizing machine that burns off and eliminates carbon deposits via a hydrogen pulse. running into the red and staying there. Either side it cools off but in this range it warms up fast. Watch the temp gauge as the engine warms up. Advance Auto Parts is your source for quality auto parts, advice and accessories. -a faulty thermostat will either become stuck open, stuck closed, or perhaps something in between where your temperature fluctuates large amounts Causes and Symptoms of Over Heating Car Engine. Fuel mileage will also suffer, and you may see a check engine light followed by a readable code in your car's OBD-II or newer computer. Outboard Manual 70-75-80-90-100-115 - Free ebook download as PDF File (. Located on driver side of radiator facing engine, the auxiliary electric fan is intended to supplement your clutch fan and provide additional cooling when engine temperature exceeds approximately 215* as well as anytime the air conditioner is on. Nothing is set in stone, of course, but a cheap fix is always preferable to an expensive repair bill. Rotate the driveshaft CLOCKWISE until the keyway mates with the impeller so housing slides all the way down and install housing to gearcase. If that motor has a temperature sensor, and it is pumping water. Every three to four years I had previous outboards flushed and the water pumps replaced. It will keep running in open loop (default rich mixture) setting until it gets a signal it likes from the ECT sensor. com - The world's leading source for water ski news, discussion and insights. APPLIED VEHICLE(S): 1995-1998 Maxima (A32) 1996-1998 Pathfinder (R50) 1995-1998. If the boat is to stay in the water, the seacock must be treated to prevent freezing. Slowly heat and stir the water. But the diagnostic tool couldn't erase the fault code from the car's memory. Symptoms did not noticeably improve, continues to be a negative feature of the vehicle. Your path: TSB Home >> 2015 >> 2015 Chevrolet >> 2015 Chevrolet Tahoe The following TSB(s) may apply to your 2015 Chevrolet Tahoe. On/off vacuum switching valve (VSV) In this style valve, a solenoid operated valve is switched open or closed by the PCM. In addition, TPS Connector tool (Kent-Moore #J-45178) information has been included. From home good products to beauty and health gear, to clothing and electronics, you can find a wide variety of goodies that will inspire you to live your best life. First, taking your car to the shop isn't going to be cheap, and trying to find out on your own if your water pump has failed isn't much fun either. by Kyle McFadden. You may have to register before you can post: click the register link above to proceed. It provides the mechanical action to open the thermostat valve at the designated temperature. to 'limp' into a service center. Flushing a couple times a year helps slow the clogs, but they are inevitable in salt water. Most Mercury Outboard Stators perform two important functions 1. Inoperative vacuum motor. Find out what the RVP of the fuel in the boat's fuel tank is. Of course this started Friday nite and the service centers reasonably close to me where not open on weekends. On Yamaha outboards, there may be a red ring visible inside this filter. An oil change is performed and the car's fluids are filled. Some symptoms of restricted that is stuck open or closed. BlueDevil Head Gasket Sealer requires the removal of your vehicle's thermostat and a complete cooling system flush but is guaranteed to fix your blown head gasket! Don't risk getting stranded or damaging your vehicle's engine by driving with a blown head gasket. Mine was stuck open, so at low RPM's, the water was draining and setting off the temp sensor which is at the top of the power head. Poor airflow - Blower motors - incorrect operation (eg fuses blown). Free Online Repair Manuals : Auto Repair, Phone Repair, Computer Repair, Home Repair, Camera Repair, Printer Repair, Television Repair, Tips & Tricks, etc. The symptoms I discussed above are not clear signs that your CMP sensor is bad. Read Comments. This is known as advanced urothelial bladder cancer. Thermostat Poppet Valve Kit for a Mercury/Mariner/Force Outboard. rear brake job. Diagnose and fix marine diesel engine problems at sea. What's wrong with my Mercedes? Too Cold think thermostat - too Hot think a number of possible causes Key Stuck - New Parts Installed But Key Won't Turn. 2L engine with 153,000+ miles. This is where my winterizing gizmo is helpful - if the raw water pump won't pull the anti-freeze over the gunnel replace the impeller. Suspend thermostat and thermometer in a heat-resistant container filled with water. If both input and output hoses are warm but you still get no warm air in the car, there must be a diverter door under the dash that is stuck. 5L TBI engine. Engine starves. Presenting Vintage Mercury Racing Outboards in stock and ready for shipping today!. The problem I am referring to is the power reduction occurring several minutes after being at cruising speed the engine acted as if the throttle was brought back to neutral if I did nothing the engine would die, If I would retard the throttle the engine would not stall then I could advance the throttle and it would run ok, this would happen only once or twice a trip. If sticks open, car will take longer to warm up because coolant is constantly flowing thru engine. July 19, 2013. Every three to four years I had previous outboards flushed and the water pumps replaced. It is a valve which stays closed until the engine warms up. My dad had a 40 hp yamaha that had the same symptoms, but it was an easy fix. • Any door is open.