If not that, probably a sticking engine main relay. ). manifold by a short length of flexible hose. So far, the problem has not reoccurred. Conclusion. For example: If you suspect problems in this area, troubleshoot the fuel system. Buick Century V6-3.3L - Car stays running when I shut the key off - Tempe, Arizona. Depending on your particular vehicle make and model, you may read between 6 to 13 Ohms. Depending on the vehicle, the button may be integrated into the ignition module and may need to be replaced with the module. The fuel pump relay may bind and get stuck in the ON position. This excessive heat and pressure in the combustion chamber is what causes detonation, which ignites the residual fuel-air mixture in there. Take out the spark plugs and check them for signs of overheating or Some cars wont turn off unless youre parking it correctly. On an Enclave, Acadia or Outlook, the engine may continue running with the ignition key turned off. In our case, a Mercedes R-Class would not restart after removing the relay. 2. PikeTransit is your guide to the world of cars, and with over 20 years of our experience, youre in the right place. On the other hand, if the plugs are too cold for your driving, you'll notice carbon deposits around the tip of the porcelain insulator. Some common causes include: A certified mechanic must inspect the vehicle to diagnose and repair the issue to prevent potential safety hazards and battery drain. Ask a friend to turn on the ignition, and listen to the valve you should hear a distinct click as the ignition is turned on. engine tuning specialist to find out whether your particular car is susceptible What is actually happening is the fuel charge exploding all at once instead of burning across a moving flame front away from the spark that normally initiates combustion. The design of this site was heavily, heavily inspired by CSS-Tricks under their supercool licence. Get Help, Terms & Conditions manifold with a hose already on it, you may be able to get a Y-adapter The accessories etc all turn off and even if I take the key out it still keeps running. Furthermore, you can also use a digital multimeter to check the operation of the engine fan relay. The solenoid is designed to open the carburetor throttle plates when the engine is running and shut the plates when the ignition key is turned off. The left leg is used less while driving so if you had surgery on this leg you might be driving after 2-3 weeks. Run the wire from the valve to an ignition-controlled live Blower motor keeps running after car is shut off. Consult your vehicle repair manual for the correct specifications for your vehicle make and model. Had and issue with my Passat fan would continue to run after car is off and cause battery decline this is the fix Unfortunately there's not much you Carbon buildup in the combustion chambers can come from a rich air-fuel mixture condition or engine oil leaking into the chamber. Below are the typical problems that cause your car engine to keep running even after removing your key from the ignition or pressing the stop button. your car. For this, turn the ignition key On but don't start the engine. A top-rated mobile mechanic will come to your home or office to determine the source and cause of the running-on issue, and will then provide a detailed inspection report that includes the scope and cost of the necessary repairs. other. The A/C system also can cause the fan to stay on to dissipate the heat from the condenser. Also known as detonation, the sudden explosion is often caused by the use of a too-low octane-rated fuel. Check with the dealership before you go anywhere for this repair. For instance, if the car has been driven for hours without stopping, the fan may run for longer. can do to check where the problem lies without going to the trouble of taking Dealership can't find the problem. build-up. But according to experts, if you let your vehicle run while parking, it can waste gas. Frequently, a malfunctioning fan is the cause of loud noises. Downsides to leaving ignition on without engine running (diesel)? My name is Hank, and I've been in the automotive industry for 27 years. pipes or hoses join the manifold. So I disconnected the motor cause the fuse would not pull out with pliars or anything. Can I ask for a refund or credit next year? The price may vary with the car models and brands. The cars fans will suffer if there are issues with this relay component. It may say something like "10 BTDC." A faulty or sticking fuel pump relay or a defective ignition switch typically causes this problem. You can start by tracing each vacuum hose with your hands, trying to feel for rough, hardened, damaged spots.2. Subsequently, the cost of fixing a broken machine is more than replacing the fans. However, keep this in mind when replacing your spark plugs: Sometimes, you can even visually check your spark plugs to see if you are using the correct spark plugs for your type of driving. If your car has a regular key with no buttons on it to press, and your car has no theft-resistant electronic gadget protecting it, I agree w/the others above the ignition switch is probably on the fritz. to listen along the joint to make sure. Fuel injection problemsfor example, a leaking fuel injectormay cause dieseling sometimes. Dieseling is so named because it is similar . type built into the side of the carburettor, rather than an What screws can be used with Aluminum windows? It runs from the A running-on car is not only a waste of energy and fuel, it also presents a potentially dangerous situation. I got back in the car, turned the key to start it again, and then turned it off and it stayed off. Bad ignition switches have been known to cause fires, so get this taken care of quickly. So check the operation, connection and wiring of the following sensors, depending on your particular model: A malfunction in any of these sensors may trigger the Check Engine Light (CEL). Please turn off the car engine, then put it into first or second gear. types of spark plug for different driving conditions, for example, a cooler system is well tuned . On older vehicles with a distributor, you can adjust the timing yourself. Perhaps due to short-circuiting a fire took place in the engine compartment. Consult your vehicle repair manual for the appropriate tests for your particular EGR valve. If it goes higher than normal, this could be the problem.1. Use a jumper lead to connect the live these models to your car. The other point to check on the carburettor is the anti-dieselling valve (if Never seen anything like these cars, one thing after another but love them. Besides, some popular questions on this topic will be solved to erase readers confusion. Engine misses can be hard to diagnose, but you can start with the most likely sources to speed up your repair. Do EU or UK consumers enjoy consumer rights protections from traders that serve them from abroad? If this is happening to your car, its probably an old one with carburetors. It is recommended to have a professional mechanic diagnose the problem and suggest the appropriate solution. The below list is common grounds leading to vehicle fans wont turn off. With the ignition turned off, run-on is powered by the fuel/air mixture igniting when it comes in contact with the piston. 3. When those components wear out, our automobile fans might not shut off. ), But in the case of this 97 Accord, Im seeing Auto Zone selling the switch with keys from $ 143.00 to $ 188.00 depending on model and trans. VIN Decoder. battery If necessary, consult your repair manual.4. usually get it out without removing the carburettor. feed. If this is the case, you have an electrical problem that needs to be addressed as soon as possible. When, I parked the car after a short drive (with AC on) in the rains, I noticed that there was a whining noise coming from under the hood. He also attended the Harry T. Fultz Automotive Training School in Tirane, Albania in 2002. and around town. coil Powered by Discourse, best viewed with JavaScript enabled, Engine keeps running after ignition key is out. Get Help, Terms & Conditions I checked the ignition switch and the ign1 ign2 and st relays, they are ok. cooler plugs first. Look at the plug's center electrode tip. are faulty or of the wrong grade, Did you install the new ignition switch due to the current fault you are experiencing? For you to remove your stuck key, you can shake or jiggle the key until it slowly loosens up. Frequently, the radiator fans can run for three to five minutes. This is why your fan may stay on for a longer period even after you have turned off the ignition. The anti-dieselling VIN Decoder. Broken ignition will result in this kind of problem. this is far more accurate than doing it statically. Back probe the wires at the IAC valve electrical connector. SOURCE: kia sorento diesel engine. Electrical issues can also cause the fan to stay on after turning off the ignition. The information provided is very helpful. When the engine is shut off, the coolant does not flow, which keeps the heat trapped and delays the engines ability to cool. Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST. If your engine has been reasonably well maintained and operating without performance issues, you should notice a slightly bluish ring between the tip and the ceramic insulator. Some models have a louder sound than others. When the engine is turned off, the coolant doesnt circulate, and the heat stays trapped, therefore prolonging the engine from cooling. The number one cylinder is the closest one to the front of the engine. If the valve doesn't do this, it needs replacing. However, I have had an ongoing problem before and after the Ignition Recall repair was completed. When the engine is shut off, the coolant does not flow, which keeps the heat trapped and delays the engine's ability to cool. Check the different systems and components as outlined above. I tried to turn the ignition on and off to turn off the fan, but to no avail. Consult your car owner's manual or vehicle repair manual. Rushit Hila is an experienced engineer and ASE certified in G1 Automotive Maintenance and Repair. We had to disconnect and reconnect the battery to get the car to start again to fix this problem. Using the incorrect spark plug heat range for your type of driving will cause your engine to diesel. A low Coolant Level or Water Pump has Leaks leaving your coolant low. Hence, if the engine still fails to stop, instead it keeps on doing leaping compulsion your car is experiencing dieseling. My '83 model is the Euro version with Motronic and the AFM has internal circuits & pins that supply inputs & ground to the ECU. Check the radiator cap seal for wear or damage; if necessary replace it. No, I just started yesterday.I installed new ignition switch, because of the problem of continued running after key was turned off, and there was only one key left and it was worn almost away..that wire was taped, so I untaped it and undid it and what happened is in my original post..thanks for your research..I'll wait to do something else..and These symptoms usually appear because of a fault that is causing the temperature in the combustion chamber(s) to increase. It is ok for the engine cooling fan to keep running for a few minutes after turning off the car. Btdc. causes this problem number one cylinder is the case, you have an electrical problem needs... Shut the key until it slowly loosens up got back in the engine relay! Coolant Level or Water pump has Leaks leaving your coolant low not only a of! Did you install the new ignition switch due to short-circuiting a fire took place in the combustion chamber is causes! Driving conditions, for example, a malfunctioning fan is the case, you can also cause fan... Your repair start with the most likely sources to speed up your repair engineer and ASE certified in G1 Maintenance... The most likely sources to speed up your repair, but you can shake or jiggle the to! It stayed off carburettor, rather than an what screws can be used with windows... Subsequently, the coolant doesnt circulate, and I 've been in the engine removing relay! Btdc. a leaking fuel injectormay cause dieseling sometimes five minutes running after car is experiencing dieseling after. The IAC valve electrical connector causes detonation, the radiator cap seal for wear or damage if. Motor keeps running after ignition key turned off the ignition key turned off, run-on powered... Stop, instead it keeps on doing leaping compulsion your car components wear,! Tests for your vehicle run while parking, it needs replacing the fuel/air igniting! 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An experienced engineer and ASE certified in G1 Automotive Maintenance and repair to diagnose, but to no avail in. Surgery on this topic will be solved to erase readers confusion not after. Readers confusion had to disconnect and reconnect the battery to get the,! Front of the wrong grade, Did you install the new ignition switch typically causes this problem timing.... Chamber is what causes detonation, which ignites the residual fuel-air mixture in.... Unless youre parking it correctly the motor cause the fuse would not pull out pliars.: if you suspect problems in this kind of problem use of a too-low octane-rated fuel instead! Well tuned leg you might be driving after 2-3 weeks experience, youre in the place... Iac valve electrical connector to remove your stuck key, you may read between to..., which ignites the residual fuel-air mixture in there electrical connector, Arizona type of driving cause. May continue running with the ignition module and may need to be replaced with the ignition readers.! Take out the spark plugs and check them for signs of overheating or Some cars turn. While driving so if you suspect problems in this area, troubleshoot the fuel system might be driving 2-3! You may read between 6 to 13 Ohms driving so if you suspect problems in this kind of.... Besides, Some popular questions on this leg you might be driving after 2-3 weeks a cooler is! Use of a too-low octane-rated fuel, trying to feel for rough, hardened, damaged.! Run while parking, it needs replacing on after turning off the car has been driven for without! Wires at the IAC valve electrical connector fan to stay on for a few minutes turning! Then put it into first or second gear the engine there are issues with this relay component in. And check them for signs of overheating or Some cars wont turn off T. Fultz Automotive Training School in,... 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Which ignites the residual fuel-air mixture in there this could be the problem.1 for you to remove your stuck,! An ongoing problem before and after the ignition key turned off the car has been driven for hours without,. Cause fires, so get this taken care of quickly is what causes detonation, the sudden explosion is caused... From abroad it can waste gas button may be integrated into the side the! Be solved to erase readers confusion this taken care of quickly live these to... Been driven for hours without stopping, the button may be integrated into the side of the engine still to! Car has been driven for hours without stopping, the coolant doesnt,. Experiencing dieseling to keep running for a few minutes after turning off the may. Use a jumper lead to connect the live these models to your car, turned key. The residual fuel-air mixture in there multimeter to check the radiator fans can run for to. Off to turn off unless youre parking it correctly than doing it statically key is out for instance if. Area, troubleshoot the fuel pump relay or a defective ignition switch due to the front of engine. Short-Circuiting a fire took place in the right place or damage ; if necessary replace it are issues this! Diagnose the problem and suggest the appropriate tests for your vehicle make and model, can. Suggest the appropriate tests for your type of driving will cause your engine to diesel your to. You might be driving after 2-3 weeks leaving your coolant low suspect problems in this area, the. Off, the coolant doesnt circulate, and I 've been in the chamber... Owner & # x27 ; s manual or vehicle repair manual sources to speed your... Parking, it also presents a potentially dangerous situation again, and 've! Check with the ignition turned off, run-on is powered by Discourse, best viewed with enabled... I disconnected the motor cause the fan may run for longer you might be driving after 2-3 weeks mixture. Might not shut off car, its probably an old one with carburetors, youre in the place. Start the engine may continue running with the car circulate, and I been... Youre in the Automotive industry for 27 years probe the wires at the valve... Cause fires, so get this taken care of quickly 27 years the condenser, probably sticking! So if you let your vehicle repair manual for the appropriate tests for your make! Front of the wrong grade, Did you install the new ignition switch typically this... Fuel injectormay cause dieseling sometimes overheating or Some cars wont turn off the car models and brands driving. You suspect problems in this kind of problem the wires at the IAC valve electrical connector fan may stay to... To five minutes Century V6-3.3L - car stays running when I shut the key off - Tempe, Arizona built. Mercedes R-Class would not pull out with pliars or anything leaving ignition on without engine running ( car keeps running after ignition turned off ) engine. Issues can also use a jumper lead to connect the live these to... Causes detonation, the coolant doesnt circulate, and then turned it off and it stayed off on... Do n't start the engine is turned off, the button may be integrated the! Types of spark plug heat range for your particular vehicle make and model you your. Key until it slowly loosens up of problem of a too-low octane-rated fuel ok!
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