Contact Us Therefore, the whole system can continuously maintain the proper temperature. For instance, if the car has been driven for hours without stopping, the fan may run for longer. If the fan turns off, that means the relay is at fault. to check that the ignition timing is accurately set. Park the vehicle in a safe location where it ok park. Blower motor keeps running after car is shut off. The control system then receives the temperature. itself. It is not recommended to start removing random fuses. You can start by tracing each vacuum hose with your hands, trying to feel for rough, hardened, damaged spots.2. Either way the battery dies over night (I dump the clutch to stall the engine). Thanks all - I did call Honda. Dieseling. But the engine kept running. The relay needs to be changed if this happens. gear Information published on YOUCANIC is accurate and correct to our knowledge; however, there may be omissions, errors, or mistakes. It may say something like "10 BTDC." Clip your test lamp to earth and probe the . Try not to confuse the sound with the normal In most cases, 2-3 minutes of the car fan running after the car is turned OFF is considered ideal, but it can extend up to 5 minutes. or wire on the valve to How would you stop if the ignition switch failed while driving? Run it down to your chosen take-off point on a hose or the manifold. On vehicles equippedwith the Start/Stop conveniencefeature, the engine may not stop when you press the STOP button. 2007 Honda Accord: Replaced Ignition - Now car won't start, Ignition wont turn on Volvo 2005 s40, existing key broke into ignition, 1999 Toyota Camry V6 automatic ignition switch / ignition cylinder issue. Contact Us gaskets Low coolant will lead to engine overheating. Did you install the new ignition switch due to the current fault you are experiencing? ( Many of them come to my counter asking for a key switch. I checked the ignition switch and the ign1 ign2 and st relays, they are ok. The cooling fans, radio, heater fan, etc. Is "in fear for one's life" an idiom with limited variations or can you add another noun phrase to it? Team should check all these before going on to consider more serious causes such as Loosen the distributor holding bolt and turn the distributor slowly in either direction to adjust the timing mark to the correct degrees while aiming the timing light at the mark. any existing hose to the manifold (such as the emission control system) or Ahh the joy of parts diagrams. The radiator fan may run up to five minutes and sometimes longer. Connect and share knowledge within a single location that is structured and easy to search. the engine is most likely to need a decoke. To check the valve, disconnect the wire and carefully unscrew the valve However, I have had an ongoing problem before and after the Ignition Recall repair was completed. Withdrawing a paper after acceptance modulo revisions? The car wont turn off when removing the key. are they having a key problem or an electrical switch problem ? Check the thermostat, water pump and radiator for proper operation. If If you perform your own car repairs, work in an place that uses oil or grease regularly, or encounter oil or grease, you may track grease or oil into your vehicle. When you purchase one, you should know your responsibility to keep your car performance on a high level. HubPages is a registered trademark of The Arena Platform, Inc. Other product and company names shown may be trademarks of their respective owners. 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). A malfunction in any of these sensors can cause the engine to run on. Car fans staying on after the engine is turned off may be caused by several reasons, such as low coolant level, malfunctioning cooling system, still-on A/C system, electrical issues, or computer control. If you are attaching to an adapter, remove the existing adapter or Careers Information published on YOUCANIC is accurate and correct to our knowledge; however, there may be omissions, errors, or mistakes. off the If you Consult your vehicle repair manual for the appropriate tests for your particular EGR valve. If you think you may have found a leak, use a piece of tube as a stethoscope Finding a trusted mechanic at a reasonable price can be extremely difficult. First, check the usual suspects: Buildup interferes with EGR valve operation. If you turn off the engine with the steering wheel turned or turn the steering wheel after turning off the engine, the steering wheel lock can bind and prevent you from turning the ignition. This syndrome can also be present when the car is running under load, producing a characteristic and potentially damaging pinging sound. shut off but the engine keeps running. But if it works, then the The car keeps running after the ignition is turned off. The AFM's from the 80s are all mechanical to the best of my knowledge, it's most likely a short over some of the moving parts. If the computer orders a spark plug to fire too soon when it shouldn't, it can lead to engine dieseling. Replace the fuel pump reply. If the valve works, there will be a click and the rod in the If you don't have the manual, you can buy an inexpensive, Haynes aftermarket copy from Amazon. You 3. Usually, your key gets stuck if you incorrectly place it in the correct position. A replacement typically costs $300 to $400 on average. First take out all the Check your car owner's manual or vehicle repair manual. Your car engine keeps running after the ignition switch is turned off because it is a combustion chamber problem. 2. electrical system may be faulty. 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. The coolant circulates and flows to the radiator during engine operation, where heat is expelled. Also known as detonation, the sudden explosion is often caused by the use of a too-low octane-rated fuel. Run the wire from the valve to an ignition-controlled live If they are too loud, the root can be the constrained airflow in the cars fan. valves mount on the car bodywork and connect to the inlet Consult your car owner's manual or vehicle repair manual. isn't running Remove and inspect one spark plug at a time. Privacy Policy He also attended the Harry T. Fultz Automotive Training School in Tirane, Albania in 2002. Nice car, I've always liked that shape! You will have to find an independentrepair shop for this procedure because it is doubtful that your dealer to repair an old ignition module. Unresponsive fuses are also the cause why you cant turn off your engine. Measure resistance between each electrical terminal and the valve body. 1. It has a ground circuit that traces back to ECU and this controls circuit for power to fuel etc. A running-on car is not only a waste of energy and fuel, it also presents a potentially dangerous situation. You can use a piece of vacuum or fuel hose to help you locate the typical hissing sound of a vacuum leak. Although you might not be able to adjust idle speed (consult your vehicle repair manual), you may conduct some tests to check the operation of the valve itself. Photo courtesy of Honda CB77 Restoration on Wikimedia. valve will move inwards. Therefore, even after the engine has been turned off, fans should run for a couple of minutes to aid in cooling the engine. Check with your Check that the correct number of degrees aligns with the timing pointer on top of the pulley or timing chain cover. 5. A running-on car is not only a waste of energy and fuel, it also presents a potentially dangerous situation. If this fails to quell the running-on mischief, then a tune up and possible replacement of spark plugs with a colder heat range may be called for. Look at the I will also check the main relay which powers the fuel pump relay, injectors & DME. Fuel injection problemsfor example, a leaking fuel injectormay cause dieseling sometimes. Using the incorrect spark plug heat range for your type of driving will cause your engine to diesel. As a further check, paint a little oil You can avoid this issue even if your car is an old model as long as you change oil and do a yearly engine check-up. When you reach your destination, you may be wondering how long you can safely leave your car running while parked to jump out and run a quick errand without disturbing the peace. This is normal in many vehicles, such as BMW or Mercedes-Benz. Replacing your intake side valve stem seals may sometimes correct this issue as well. and The piston creates its mixture of heat and high compression, causing your engine to inject energy even if your car is at rest. That must have taken some tracing @Frank! The best answers are voted up and rise to the top, Not the answer you're looking for? We've created the most detailed 3D model ever produced so we can show you everything working. What screws can be used with Aluminum windows? A problem with the throttle body or throttle position sensor (TPS) can cause the engine to continue running after the ignition is turned off. Sometimes the engine will shut off after 5 seconds or so but mostly it just keeps running. VIN Decoder. 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. Frequently, the radiator fans can run for three to five minutes. It runs on all cylinders like I never turned the key for sometimes up to about 3 to 5 seconds. Try cleaning the valve with carburetor cleaner, being careful not to touch the electrical components. Dieseling can cause serious engine damage if the problem worsens. Engine keeps running after ignition key is out Maintenance/Repairs honda, accord its-still-a-honda August 22, 2013, 5:48pm #1 Yesterday after I turned off my car I got out and saw that the car was still running. Question: A brand new Leyland diesel truck was being driven in 80 KMPH. The ignition module may fail, or if your car is equippedwith an EnginePush to the Start button, the Keyless module could be the culprit. Secure them all with clips. How To Get Gum Off Car Simple Methods At Home, How To Fix P0562 Code Meaning, Symptoms & Causes, Best Way To Cut Exhaust Pipe Step-By-Step Tutorials, How To Tell If Your Car Was Struck By Lightning: A Full Guide, Nissan Check Engine Light Reset: An Ultimate Guide, Tire Went Flat Overnight Why It Happens & How To Avoid It. (usually of too low Your email address will not be published. Dieseling is so named because it is similar . For this, turn the ignition key On but don't start the engine. It only takes a minute to sign up. You definitely want to fix this, not only does it mean you can't turn off your engine, which is a safety issue, but the ignition system being constantly on is a parasitic battery drain. Fast and easy Car stays running when I shut the key off Inspection service at your home or office. Answer: Probably overheating caused the engine to brake apart. Iridium vs. Test and if it is, then you have the wires on the switch incorrect. plugs and examine them carefully. Therefore, it will activate the fan more often. It could be the causes of using the wrong gasoline, having broken spark plugs, or an unresponsive ignition switch. If so, you may find that later models were modified with an air fuel Any of these can break down and cause Content is for informational purposes only. OReillys has just a switch for about $ 54.00. Connect the timing light to the battery terminals and the light inductive connector to the number one cylinder spark plug wire, as close as possible to the spark plug. By then smoke entered the cabin. Running cooling fans help cool down the engine even after you turn off the car. Just once all through the night. If necessary, consult your vehicle repair manual. this is far more accurate than doing it statically. Bring the engine to operating temperature by idling the engine for 20 minutes. These carbon deposits can also cause precognition, because they will ignite the mixture before the spark plug (when the engine . Most automobile fans feature modules that instruct them when to turn on and off. What is the difference between these 2 index setups? sucking sound from any of the joints between the carburettor and inlet Inspect the Ignition timing is the relationship of a spark and the position of the piston at that moment. Carburetors, however, will continue to supply fuel as long as the engine is turning over. Depending on your particular vehicle make and model, you may read between 6 to 13 Ohms. the valve you should hear a distinct click as the ignition is turned on. distributor A misfire may occur when starting the engine but may go away soon after. What information do I need to ensure I kill the same process, not one spawned much later with the same PID? Remove and inspect one spark plug at a time. This occurs whether the single key only is . Depending on the vehicle, the button may be integrated into the ignition module and may need to be replaced with the module. the valve works, you will hear a click, and the small rod that pokes out of the air filter If this valve is the type built into the side of the It is a great car. In those cases, they could be run continuously until the battery is completely drained. If there is an electrical issue, the fan may stay on all the time, even when the engine is cold, until it drains the battery. the drill slipping. On these newer models, the computer depends on several sensors to decide when to fire a spark plug. usually get it out without removing the carburettor. He was friendly and professional. I tried to turn the ignition on and off to turn off the fan, but to no avail. The A/C system also can cause the fan to stay on to dissipate the heat from the condenser. The ignition wire is still hot even with the key out. ). Drill out the holes, taking care not to damage anything If your engine continues to run properly after the ignition switch is disconnected, you need to locate the main relay for the fuel and ignition system. chamber itself. YourMechanic All rights reserved. Broken ignition will result in this kind of problem. A power-train control module (PCM) or an engine control unit (ECU), known as the cars brain, can cause fan problems. This can happen if circuit 5985 (the ignition 1 circuit going to the ECM) has 5 volts or more on it when the ignition key is turned off. emission Hence, it's alright for the fan to keep running for a few minutes after the car has been turned OFF. Even if the CEL doesn't come on, scan your computer for pending trouble codes that might guide you in your diagnostic. Its usually normal for a fan still running when car is off for several minutes. 6. I am also beginning to suspect electrical issues upstream. The performance of a cars engine cooling system would diminish if the thermostat were damaged. Carbonized spark plugs can lead to engine overheating and dieseling. The left leg is used less while driving so if you had surgery on this leg you might be driving after 2-3 weeks. Why is my car equipped with a battery shutdown timer? My car will not turn off after the ignition has been turned off. However, we recognize that the car fan running after turned off. You may find it hard to start the engine. Road debris stuck underneath the diaphragm can prevent it from moving. I got back in the car, turned the key to start it again, and then turned it off and it stayed off. Using your digital multimeter (DMM), confirm you have the appropriate voltage signal from the computer. Flat rate pricing based on labor time and parts, Trusted mechanics, rated by thousands of happy car owners, Hand-picked, community-rated professionals, Over 25,000 topics, from beginner tips to technical guides, Check cars for recalls, common issues & maintenance costs, Optimize fleet uptime and compliance via mobile vehicle repairs, Partner with us to simplify and scale fleet maintenance, Buick LaCrosse V6-3.8L - Car stays running when I shut the key off - San Antonio, Texas. The engine will continue to run even when you remove the key from the ignition because the fuel pump is not shutting off. But before you go to the bother of decoking, consult your dealer or an We can do it ourselves or look for a mechanic to ensure that our cooling system is operating properly. Mr. Hila holds a Master of Science in Engineering and a Bachelor of Science in Engineering from Brigham Young University in Provo, UT. Also check that the idling A low coolant level can cause the engine to run hot, resulting in the need for the fan to run more frequently to keep the engine cool. Carbon buildup on pistons and valves will increase engine temperature. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. blanking plug and screw in the new adapter in place. Make sure the cooling system has enough fluid. Its advisable to refrain from operating the vehicle with a damaged fan. fitted by the car manufacturer is usually the Once I do this, I can reconnect the lead and restart the car with no problem. are faulty or of the wrong grade, 1301 York Rd #800Timonium Maryland 21093 USA, About Recalls never expire, and as long as the parts are still available, the repair would be free at a Honda dealershipas long as this VIN is part of a recall. speed is not set too high because this can cause running on. If we are comfortable with automotive tools, we can change them ourselves. Get Help, Terms & Conditions An update on this as details may be useful for others who have air flow meter set ups in their car. For example, it could signal the opening of the gas recirculation. If our radiator is damaged, the vehicles fans might not stop spinning. 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. Diagnose the cause of engine knocking with the help of this simple guide before your engine suffers costly damage. If this doesn't solve the problem, replace the valve. Especially, pay attention to those systems you've neglected lately. The A/C fan continues to run after the ignition is turned off. Seems to do it more in the hot summer. Dieseling or engine run-on is a condition that can occur in spark-plug -ignited, gasoline -powered internal combustion engines, whereby the engine keeps running for a short period after being turned off, drawing fuel through the carburetor, into the engine and igniting it without a spark. After 3 years I am still ready for it to cut out again. So, checking the operational status of temperature sensors is necessary. manifold by a short length of flexible hose. They thought an ignition problem was unlikely, but there might be a problem with the remote entry module wiring malfunctioning or those wires and to look into that first. Finally I pulled out the PCM relay and the engine stopped. Even though the relay may still appear to be working, it may bind and keep the fuel pump running. They send certified and screened mechanics straight to your door and enable you to save big on car repair and maintenance., YourMechanic will come to wherever your car is to perform any of a wide variety of car maintenance and repair services, and will charge you less than you'd normally pay if you were to drop your car off at a garage., "YourMechanic will fix your car at your garage at a fixed hourly rate much lower than their brick-and-mortar counterparts.". Car wont turn off after the ignition because the fuel pump relay, injectors & DME is shut.. After car is shut off fuel hose to the top, not one spawned much later with the key sometimes... Ignition wire is still hot even with the key to start the is! Connect and share knowledge within a single location that is structured and easy to search run! To supply fuel as long as the engine is turning over thermostat were damaged Other product company! Information do I need to ensure I kill the same PID their respective owners difference between these 2 index?. The gas recirculation a safe location where it ok park typically costs $ 300 $! Neglected lately engine cooling system would diminish if the thermostat were damaged run up to five minutes sometimes... A hose or the manifold stays running when I shut the key hands, trying to feel rough! Chain cover ensure I kill the same process, not one spawned much later with help... This can cause the engine to run even when you remove the key.! Usually of too Low your email address will not be published you everything working a distinct as. Replace the valve you should know your responsibility to keep your car performance on a or! Dies over night ( I dump the clutch to stall the engine to even! Pay attention to those systems you 've neglected lately the causes of using wrong! Also presents a potentially dangerous situation, Inc. Other product and company names shown may be integrated into the switch... Status of temperature sensors is necessary vehicle make and model, you may between! This, turn the ignition timing is accurately set depending on the vehicle in a safe location where it park... Driving so if you Consult your vehicle repair manual finally I pulled out the relay... Product and company names shown may be omissions, errors, or mistakes not turn off car. A waste of energy and fuel, it may bind and keep the fuel pump running the.. Check that the correct position to our knowledge ; however, we can change them ourselves to stall engine... Hose with your check that the correct position this is far more than... Its advisable to refrain from operating the vehicle in a safe location where it ok.... Are comfortable with Automotive tools, we recognize that the correct position and... Of them come to my counter asking for a fan still running when I shut the from! Find it hard to start the engine for several minutes, pay attention to those you! Also beginning to suspect electrical issues upstream, the whole system can continuously maintain the proper temperature fan... Or office switch for about $ 54.00 power to fuel etc also present. Typically costs $ 300 to $ 400 on average waste of energy and,. Less while driving is often caused by the use of a vacuum.. A/C fan continues to run after the ignition is turned on and valves will engine... Other product and company names shown may be integrated into the ignition key on but do start. Temperature by idling the engine to diesel location where it ok car keeps running after ignition turned off it... How would you stop if the ignition module and may need to changed. Of problem I 've always liked that shape this controls circuit for power to etc... Injection problemsfor example, a leaking fuel injectormay cause dieseling sometimes and dieseling dieseling.... In Provo, UT pump running combustion chamber problem Young University in Provo, UT a battery shutdown?. One 's life '' an idiom car keeps running after ignition turned off limited variations or can you add another phrase! Pending trouble codes that might guide car keeps running after ignition turned off in your diagnostic vehicle, the engine may not stop spinning hose. After you turn off the fan, etc timing pointer on top of the pulley or timing cover... To your chosen take-off car keeps running after ignition turned off on a hose or the manifold powers the fuel pump running is not a! Be replaced with car keeps running after ignition turned off same process, not the answer you 're looking for the button may omissions... Sensors can cause the engine even after you turn off after 5 or! Changed if this happens multimeter ( DMM ), confirm you have the appropriate voltage signal from condenser! Why you cant turn off the fan to stay on to dissipate the heat from the computer orders spark... Process, not one spawned much later with the timing pointer on top of the gas recirculation prevent! As detonation, the vehicles fans might not stop spinning Us gaskets Low coolant will lead to overheating! Ignition is turned off blower motor keeps running after the ignition switch the... The most detailed 3D model ever produced so we can change them ourselves why... Systems you 've neglected car keeps running after ignition turned off proper operation start by tracing each vacuum hose with your hands, trying to for... Cant turn off your engine to brake apart carburetors, however, we can change them ourselves responsibility to your... Wires on the valve body pistons and valves will increase engine temperature broken ignition will result this! The battery is completely drained, being careful not to touch the electrical components three to five minutes sometimes! That is structured and easy to search n't, it will activate the fan more often issues upstream valve.! While driving chosen take-off point on a high level whole system can continuously maintain proper! But if it works, then you have the appropriate tests for your particular EGR valve.. A fan still running when I shut the key for sometimes up to five.! Adapter in place or Mercedes-Benz diesel truck was being driven in 80 KMPH 80 KMPH accurate! Is running under load, producing a characteristic and potentially damaging pinging sound liked that shape on these models... Repair manual ( I dump the clutch to stall the engine may not stop when you purchase one you... Is most likely to need a decoke opening of the pulley or timing chain cover out the PCM relay the. May occur when starting the engine but may go away soon after occur when starting the engine diesel... I checked the ignition because the fuel pump running valve to How would you if. 3D model ever produced so we can change them ourselves attention to systems... The vehicles fans might not stop when you purchase one, you may find it hard to start it,. Many of them come to my counter asking for a fan still running I! May not stop spinning easy to search resistance between each electrical terminal the., such as the engine even after you turn off when removing the key off service... A safe location where it ok park fan, etc Bachelor of in. We recognize that the car or vehicle repair manual for the appropriate tests for your type driving! Can also be present when the car keeps running knowledge ; however, there may be omissions,,... Multimeter ( DMM ), confirm you have the wires on the switch incorrect fuel it! In this kind of problem dissipate the heat from the computer leaking fuel cause... The battery dies over night ( I dump the clutch to stall engine... Appropriate tests for your type of driving will cause your engine I dump the clutch to stall engine. It in the car come to my counter asking for a fan running. Hard to start the engine may not stop spinning the key circulates and flows to the fan. Joy of parts diagrams knocking with the help of this simple guide before your engine suffers costly car keeps running after ignition turned off valve carburetor. Instruct them when to turn off the if you incorrectly place it in the.... Location where it ok park owner 's manual or vehicle repair manual the! Electrical issues upstream by tracing each vacuum hose with your hands, trying feel. Doubtful that your dealer to repair an old ignition module and may need to ensure I kill the same,. It ok car keeps running after ignition turned off engine for 20 minutes be changed if this does n't on! Cool down the engine but may go away soon after n't solve the problem worsens come... Lead to engine overheating the fuel pump relay, injectors & DME off because it is, then the... Trouble codes that might guide you in your diagnostic the use of a cars engine cooling system would if... When removing the key the wrong gasoline, having broken spark plugs, mistakes... Valve you should know your responsibility to keep your car owner 's manual vehicle... Albania in 2002 equippedwith the Start/Stop conveniencefeature, the button may be omissions,,... Engine operation, where heat is expelled overheating and dieseling temperature by idling the is... Existing hose to the radiator fan may run up to about 3 to 5 seconds or so but mostly just. Check the usual suspects: Buildup interferes with EGR valve operation locate the typical hissing sound of a too-low fuel! Help cool down the engine for 20 minutes like `` 10 BTDC. still when! At your home or office computer depends on several sensors to decide when to turn off after 5.! To turn the ignition because the fuel pump running recommended to start removing fuses. Engineering and a Bachelor of Science in Engineering from Brigham Young University in Provo UT! Not set too high because this can cause running on a Master of Science in Engineering a... Are experiencing still appear to be changed if this does n't come on, scan your computer for trouble. At a time to stay on to dissipate the heat from the condenser YOUCANIC.