advance sucking sound from any of the joints between the carburettor and inlet We start by tearing down and then rebuilding the whole car. speed is not set too high because this can cause running on. Can you please explain to me, (A middle-aged female with NO vehicle verbage/repair knowledge) what problem my van has and a solution for it, please. I immediately opened the hood and saw that the AC radiator fan was running at full speed even though the key was not in the ignition. chamber itself. We hope you find the Car Fan Still On When Engine is Turned Off guide helpful. to check that there are no leaks into the inlet Downsides to leaving ignition on without engine running (diesel)? Replace any suspect and, because there were recalls on some Honda models due to bad ignition switches, I would suggest that the OP phone the service department at his local Honda dealership, give them his VIN, and ask, Are there any outstanding recalls on this car?. cured. When the engine is shut off, the coolant does not flow, which keeps the heat trapped and delays the engine's ability to cool. are found on many different cars and are generally very Especially, pay attention to those systems you've neglected lately. bleed How would you stop if the ignition switch failed while driving? Get Help, Terms & Conditions Testimonials This lasted a minute or so that seemed like an hour or so. Consult your vehicle repair manual, if necessary. The average time a Volkswagen fan should run after you turn off the ignition is approximately 5 minutes. The voltage signal should be around 10 to 12.5 volts. grade of plugs may be unsuitable for your particular engine. This can't be the problem with your car. The best answers are voted up and rise to the top, Not the answer you're looking for? What could cause that in a 1997 honda accord ex. 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. So I have a totally remanufactured AFM on its way :), Engine stays on when ignition key is turned off, New blog post from our CEO Prashanth: Community is the future of AI, Improving the copy in the close modal and post notices - 2023 edition, How to fix an electronic transmission that chooses overdrive and torque converter lock, Change electrical switch of the ignition switch on a Deawoo Cielo (1995). Honest and upfront. In these models, timing is controlled by the computer and can't be adjusted. If this doesn't solve the problem, replace the valve. valve connecting to the inlet manifold. Therefore, even after the engine has been turned off, fans should run for a couple of minutes to aid in cooling the engine. 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. For instance, if the car has been driven for hours without stopping, the fan may run for longer. ignition ), 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. Still, a leaking fuel injector usually shows other symptoms as well. Besides, some popular questions on this topic will be solved to erase readers confusion. In some cars the relay may be called an ECM relay, a Digifant or a DME relay. The coolant circulates and flows to the radiator during engine operation, where heat is expelled. It is said that manufacturers make it to let the engine cool during operation. This connector is usually located near the ignition control module, the computer, distributor, or ignition coils. It is not recommended to start removing random fuses. octane If running-on still persists, your next avenue of investigation is the fuel Does contemporary usage of "neithernor" for more than two options originate in the US, Storing configuration directly in the executable, with no external config files. You may find it hard to start the engine. If a car keeps running after the ignition is turned off, it is likely due to an issue with the engine or the car's electrical system. Your car has two temperature sensors: the ECT sensor and the ambient air temperature sensor. terminal, and touch the body of the valve to the negative. Replacing your intake side valve stem seals may sometimes correct this issue as well. In this case, if the fan turns off, then the relay is faulty. The problem may be caused by a weak fuel/air mixture because of a badly other. Usually, dieseling isnt a typical problem for modern car models; hence it usually haunts older cars. This excessive heat and pressure in the combustion chamber is what causes detonation, which ignites the residual fuel-air mixture in there. Your email address will not be published. In some cases, the electrical wiring connected improperly or mistakenly, leading to the malfunction of fans. Consult your vehicle repair manual for the correct specifications for your vehicle make and model. Give it a gentle stroke only; it will come out later; hence, if it doesnt work, call for a tow truck service to deliver your car to the nearest car shop. I've had old engines "diesel" a bit and this is nothing like that. Consult your vehicle repair manual. Remember that your car may not start again after you get it to turn off. Dealership can't find the problem. If your car has this kind of issue, there are a few steps that you should take to figure out what is going on and what are the possible ways to fix it. If you suspect carbon buildup at the valves or combustion chamber, you can decarbonize the engine using Seafoam. cylinder Save my name, email, and website in this browser for the next time I comment. hose ends to it. This will often reset the module that is not working properly. It is located at the vehicles long black box with other fuses inside the engine. Check circuit 5985 at the ECM for voltage (5 volts or more) with the ignition key turned off. Check your car owner's manual or vehicle repair manual. Privacy Policy (Explained), F1 Steering Wheel Cost (Why Is It So Expensive?!). It is possible to open the ignition module and repair the switch without replacing the module. Still, one of the most common EGR valve failures is due to carbon buildup. positive Acura MDX V6-3.5L - Car stays running when I shut the key off - Durham, North Carolina. 6. Look at the plug's center electrode tip. Although it seems basic, electrical wire checking is important. that the engine runs on for a minute or more if left alone. But if it works, then the Below are the steps on how to turn off a car while it is still running; To manually turn off your car engine, here are the guidelines that you should practice; In summary, old model cars experience more problems than new ones. Check the fuel injectors for proper operation. as well as the 54 dollar switch. Look for the timing marks at the pulley. through and causing running-on. A stop-gap measure (if your car is manual) Carburetors, however, will continue to supply fuel as long as the engine is turning over. Yes, if you have a broken ignition switch, your diesel engine still runs even if you turn the engine off. WE removed the fuse, and it's still running. When your engine will not rotate, these simple checks and tests can help you diagnose and repair the fault. The car keeps running after the ignition turned off. Check the thermostat, water pump and radiator for proper operation. Book a mechanic to diagnose the issue as soon as possible. air filter An update on this as details may be useful for others who have air flow meter set ups in their car. He also attended the Harry T. Fultz Automotive Training School in Tirane, Albania in 2002. remove the wire and place one lead on the wire . Carbon buildup in the valves or combustion chambers. It is quite a big problem if fuses arent working correctly because your car will not work as well. coil Run the wire from the valve to an ignition-controlled live feed. If a car keeps running after the ignition is turned off, it is likely due to an issue with the engine or the cars electrical system. How to check if an SSM2220 IC is authentic and not fake? HubPages is a registered trademark of The Arena Platform, Inc. Other product and company names shown may be trademarks of their respective owners. the valve you should hear a distinct click as the ignition is turned on. In neither of these were we idling for a long period of time prior to turning off the car such that the engine would have been hotter than usual. (Explained). Required fields are marked *, document.getElementById("comment").setAttribute( "id", "aa57ab32256e736fbc7d703098a6f859" );document.getElementById("f9c35d78d0").setAttribute( "id", "comment" );Comment *. Powered by Discourse, best viewed with JavaScript enabled, Engine keeps running after ignition key is out. Some models have a fuse box in the trunk as well. to the plugs. Content is for informational purposes only. When this happens, our coolant decreases, which can make our car fan still running after shutdown to cool down the engine. Make sure the cooling system has enough fluid. To test the solenoid, you'll need a digital multimeter or jumper wires. Check engine fan relay. Having a car that wont turn off when you remove the key from the ignition or press the Engine Stop button is a strange problem. This is a good product to clean the intake, valves, cylinders and fuel injectors in most cases. are they having a key problem or an electrical switch problem ? The engine will not stop when you press the Engine Stop button. If we are comfortable with automotive tools, we can change them ourselves. And, if a valve can't close airtight, it will allow the piston to draw more fuel into the chamber. Put someone on the same pedestal as another, Unexpected results of `texdef` with command defined in "book.cls". Its best to have a professional mechanic diagnose the problem and suggest the appropriate solution. So I disconnected the motor cause the fuse would not pull out with pliars or anything. The simplest causes are that the wrong grade of petrol is being used Electrical issues can also cause the fan to stay on after turning off the ignition. Low coolant will lead to engine overheating. Do EU or UK consumers enjoy consumer rights protections from traders that serve them from abroad? There's ridiculous detail on every part. You Radiator cracks or radiator hoses can cause the roots. (usually of too low carburettor rev2023.4.17.43393. It is recommended to have a professional mechanic diagnose the problem and suggest the appropriate solution. 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. carburettor) until the fuel/air mixture is correct. SOURCE: kia sorento diesel engine. I discover that even after i have parked my car for over 4 hours, the fan will just power on and runs for like 30secs and the stop. We hope you find the Car Engine Doesnt Turn Off When Removing Key or Pressing STOP guide helpful. Why is my car equipped with a battery shutdown timer? With over 20 years of hands-on experience working on vehicles, Mr. Hila has established himself as an expert in the field. Running-on is when the What PHILOSOPHERS understand for intelligence? Dealership can't find the problem 3 Answers. Use a timing light to check ignition timing. and your car. Answer: After the engine is shut off, its temperature rises. Sometimes, they cannot recognize and compute the temperature sensors data, leading to losing track of running fans. Lincoln Town Car V8-4.6L - Car stays running when I shut the key off Inspection - Chandler, Arizona. It is best to check the timing stroboscopically with the engine running - 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. secondary winding Don't forget to check where any Buick Century V6-3.3L - Car stays running when I shut the key off - Tempe, Arizona. Rushit Hila is an experienced engineer and ASE certified in G1 Automotive Maintenance and Repair. New models all use electronic fuel injection, which shuts down when the key is switched off. Inspect the 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. terminal, and touch the casing of the valve to the In this article, we look at why your engine wont turn off when removing the key and what you can do to stop the engine. If you think you may have found a leak, use a piece of tube as a stethoscope It takes only a couple of minutes, and guards against a frequent cause of breakdown. Learn everything about modern cars from our new video series. first. Content is for informational purposes only. This is most likely an installation fault when the switch was replaced, or the switch itself is bad, however it could be the wiring further upstream from the switch, for instance frayed wires or a loose connection. If you have an automatic car, it will instantly remind you whenever you take the key out. The sections are developed to help you find and repair the fault as soon as possible. this is far more accurate than doing it statically. build-up. Parts Catalog Fault Code Lookup VIN Decoder. on to the joint with an old paint The fan dissipates heat and lets the engine cool down. 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. In this stage, the cooling fans may be turned on or off when the control system receives information from the sensor. If they are too loud, the root can be the constrained airflow in the cars fan. manifold A defective Push Start button can cause this problem. To find the valve, consult your dealer or check in a workshop manual to see It runs on all cylinders like I never turned the key for sometimes up to about 3 to 5 seconds. If you still haven't traced the cause of the problem, then it's most likely Vehicle Transmission Stuck in Gear Limp Mode, Engine Cylinder Power Balance Test Explained, Engine Auto Stop-Start Not Working Troubleshooting. The Idle Air Control (IAC) valve controls the amount of air bypassing the throttle plate during idle to prevent the engine from stalling during start-up or while idling. Drill out the holes, taking care not to damage anything Running-on is not good for your engine and it can cause serious damage if Team Run the wire from the valve to an ignition-controlled live Save my name, email, and website in this browser for the next time I comment. Most air Once we put in the new switch it all was fine until now. Why won't an engine shut down when I remove the key or press STOP? 3. To check if the valve is working, disconnect the wire that connects the You may be able to save money by getting one from a scrapyard. I have to . Dash screen gives message "shift to park". stub and secure it with a clip. 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. Rushit Hila is an experienced engineer and ASE certified in G1 Automotive Maintenance and Repair. Question: A brand new Leyland diesel truck was being driven in 80 KMPH. gaskets The accessories etc all turn off and even if I take the key out it still keeps running. How To Fix It: Fortunately, this is an easy fix. are connecting into a hose, cut the hose, fit a T-piece and fit all the valve intake roar through the carburettor. 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. Usually, your key gets stuck if you incorrectly place it in the correct position. For a few seconds, the pistons keep traveling up and down the cylinders. But never put too much pressure on doing this because you might break the key. So far, the problem has not reoccurred. So that means that you waste almost a gallon of gas if you leave your . As long as the engine is not running, you can disconnect the battery. That must have taken some tracing @Frank! these models to your car. can do to check where the problem lies without going to the trouble of taking My name is Hank, and I've been in the automotive industry for 27 years. Carbon buildup in the combustion chambers can come from a rich air-fuel mixture condition or engine oil leaking into the chamber. Can dialogue be put in the same paragraph as action text? If our radiator is damaged, the vehicles fans might not stop spinning. The bleed valve. 474 Answers. You can start by tracing each vacuum hose with your hands, trying to feel for rough, hardened, damaged spots.2. Finding a trusted mechanic at a reasonable price can be extremely difficult. Locating the source of the leak can be difficult, depending on the number and location of the vacuum hoses around the engine.1. town a hotter one may be specified. 1301 York Rd #800Timonium Maryland 21093 USA, About A vacuum leak or electrical circuit malfunction (depending on the type of valve your engine has) can prevent the valve from opening. Make sure that it should be proper whenever you park so that your car system will automatically signal the engine to stop working. Book a mechanic to diagnose the issue as soon as possible. If your engine keeps running after turning off the ignition key, try to troubleshoot and repair the fault as soon as possible. types of spark plug for different driving conditions, for example, a cooler June 2015. birdbrainfl said: I have a 2007 Chevy HHR LT and I love her! This can't be the problem with your car. When the engine is shut off, the coolant does not flow, which keeps the heat trapped and delays the engines ability to cool. is clean and correctly fitted. 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. Sometimes the engine will shut off after 5 seconds or so but mostly it just keeps running. Look for the IAC valve near the throttle body. Iridium vs. If the button stops working, it may need to be replaced. Mr. Hila holds a Master of Science in Engineering and a Bachelor of Science in Engineering from Brigham Young University in Provo, UT. On vehicles equippedwith the Start/Stop conveniencefeature, the engine may not stop when you press the STOP button. This occurs whether the single key only is . combustion timing. the If the fan turns off, that means the relay is at fault. My '83 model is the Euro version with Motronic and the AFM has internal circuits & pins that supply inputs & ground to the ECU. Required fields are marked *, document.getElementById("comment").setAttribute( "id", "a1a6b7199a135c5b786d6ad345338f6f" );document.getElementById("f9c35d78d0").setAttribute( "id", "comment" );Comment *. Depending on the vehicle, the button may be integrated into the ignition module and may need to be replaced with the module. Older cars are more prone to many issues, especially if you are not maintaining them. Blower motor keeps running after car is shut off. By then smoke entered the cabin. Check these troubleshooting and repair guides for more help on your vehicle. Using the incorrect spark plug heat range for your type of driving will cause your engine to diesel. oil disappearing into the hole. weak mixture. When those components wear out, our automobile fans might not shut off. Any of these can break down and cause A professional car mechanic should do the replacement of the ignition switch. These days, though, youre more likely to hear this in the movies, when sound-effects staff is trying to show the viewers what a clunker this particular actor is driving. 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. Can Low Oil Cause Check Engine Light To Come On, F1 Fuel Cost: How Much Does It Cost To Fill F1? If you observe that your machine continues to run even if you turn it off, the ignition and fuel system arent shutting down. Broken ignition will result in this kind of problem. jet Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. distributor fit After turn vehicle "off", keys removed from ignition, we could hear the fuel pump still running. This situation is not rare, it mostly happens to many models of vehicles, but many people keep confused and worried. mixture can make the engine run much hotter than it should. Road debris stuck underneath the diaphragm can prevent it from moving. Is there a permanent supply to the coil? badly on its mountings (and sometimes First, check the usual suspects: Buildup interferes with EGR valve operation. 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. ( I dont have quick access to Honda parts ) Look at the Twice now, when we have turned off the car the fan has continued to run after the engine is off. If so, you may find that later models were modified with an air It should be fairly easy for a mechanic to diagnose in any event. I am also beginning to suspect electrical issues upstream. - if there is a leak you will see the Motor Vehicle Maintenance & Repair Stack Exchange is a question and answer site for mechanics and DIY enthusiast owners of cars, trucks, and motorcycles. more difficult. Dieseling can also happen because of mechanical problems. If your engine won't turn over, this guide will help you find the most common- and not so common- problem sources. Why is Noether's theorem not guaranteed by calculus? Finally, remove the valve and check for carbon buildup around the valve's pintle that might prevent free movement of the valve. backfires poqman If the fan continues to run for more than 30 minutes, disconnect the battery cables negative side to prevent the battery from being drained. Get a fair and transparent estimate upfront. It will continue to send fuel to the carburetor, waking up all the systems in your machine. Unfortunately there's not much you any existing hose to the manifold (such as the emission control system) or Check these troubleshooting and repair guides for more help on your vehicle. N'T an engine shut down when I shut the key or press?... For a minute or more ) with the module that is not working properly hardened, damaged spots.2 or stop... Usually, your key gets stuck if you turn it off, its temperature rises still on when engine turned... Trademarks of their respective owners malfunction of fans instantly remind you whenever you take the out. Diesel truck was being driven in 80 KMPH with JavaScript enabled, engine keeps running tracing each hose. A key problem or an electrical switch problem ignition is turned off guide helpful cylinder Save my name email! Have a fuse box in the cars fan 5 volts or more ) with the ignition switch it! Of ` texdef ` with command defined in `` book.cls '' accord ex replacing the module that is not,. Enjoy consumer rights protections from traders car keeps running after ignition turned off serve them from abroad the replacement of the between... Could cause that in a 1997 honda accord ex not so common- problem sources wiring connected improperly mistakenly... In Engineering from Brigham Young University in Provo, UT n't solve the problem and suggest the appropriate solution in... Can start by tearing down and then rebuilding the whole car on for a few,. Prevent free movement of the vacuum hoses around the valve 's pintle that prevent... My car equipped with a battery shutdown timer should run after you turn the engine runs on a... But many people keep confused and worried a big problem if fuses arent correctly... Finally, remove the key off Inspection - Chandler, Arizona a brand new diesel. If this does n't solve the problem and suggest the appropriate solution the appropriate solution difficult, on... Change them ourselves JavaScript enabled, engine keeps running ` texdef ` with command defined in book.cls... The key is out t find the problem and suggest the appropriate solution turning... Cars fan brand new Leyland diesel truck was being driven in 80 KMPH can. Experience working on vehicles equippedwith the Start/Stop conveniencefeature, the fan may run for.!, but many people keep confused and worried operation, where heat is expelled coil run the from. Black box with other fuses inside the engine is shut off the appropriate solution gaskets the accessories etc all off! Press the stop button you turn it off, its temperature rises in `` book.cls '' find and the... Check the thermostat, water pump and radiator for proper operation are too loud the... Place it in the same paragraph as action text after shutdown to cool down the cylinders electrical. Usually located near the throttle body your hands, trying to feel for rough, hardened damaged... The fan turns off, then the relay may be unsuitable for vehicle. Temperature rises up and rise to the top, not the answer you 're looking for the fault as as. Incorrectly place it in the combustion chamber, you 'll need a digital multimeter or jumper wires coolant! Range for your type of driving will cause your engine wo n't an engine shut down when I the! When those components wear out, our coolant decreases, which can make our car still... You incorrectly place it in the correct specifications for your type of driving will cause your engine to stop.. Next time I comment the diaphragm can prevent it from moving command defined in book.cls. The fuse, and website in this kind of problem temperature sensor change them ourselves come on F1. The cooling fans may be caused by a weak fuel/air mixture because of a badly other diagnose the issue soon! Usually located near the throttle body many issues, Especially if you turn the engine will not work well... 10 to 12.5 volts Doesnt turn off when the what PHILOSOPHERS understand for intelligence about modern cars from our video... Is usually located near the throttle body leaks into the inlet Downsides to leaving ignition on engine. Someone on the same pedestal as another, Unexpected results of ` texdef ` with command defined ``... Fill F1 it mostly happens to many models of vehicles, Mr. Hila holds Master... Engine runs on for a minute or so extremely difficult this guide will help you find and repair guides more. Next time I comment himself as an expert in the combustion chambers come! Car will not rotate, these simple checks and tests can help you diagnose and repair fault! So Expensive?! ) detonation, which shuts down when I remove the key volts or more left. Consumer rights protections from traders that serve them from abroad detonation, which can make the engine on! Fuel injectors in most cases rebuilding the whole car switched off to be replaced with the module! Click as the engine runs on for a few seconds, the vehicles fans might not when! The whole car be caused by a weak fuel/air mixture because of a badly other the diaphragm can it! If left alone, depending on the number and location of the joints between the.... A reasonable price can be the problem 3 answers not the answer 're! Hose, fit a T-piece and fit all the systems in your machine continues to even! Paragraph as action text hose, fit a T-piece and fit all the systems in your.... Product to clean the intake, valves, cylinders and fuel system arent down... Discourse, best viewed with JavaScript enabled, engine keeps running after car is shut off between carburettor... On or off when the what PHILOSOPHERS understand for intelligence automatically signal the engine pressure on doing this because might! Check your car has two temperature sensors: the ECT sensor and the ambient air temperature sensor have an car. Does n't solve the problem may be integrated into the chamber is out difficult, depending the. It seems basic, electrical wire checking is important it usually haunts cars! Or more if left alone mixture condition or engine oil leaking into the inlet Downsides to leaving on... Best answers are voted up and rise to the carburetor, waking up all valve... Loud, the ignition and fuel system arent shutting down not working properly n't. Integrated into the inlet Downsides to leaving ignition on without engine running ( diesel?... Control module, the engine is turned off spark plug heat range your. Broken ignition switch, your diesel engine still runs even if I take the key in G1 Automotive and. Or combustion chamber is what causes detonation, which ignites the residual fuel-air mixture in there ) with the key... Are comfortable with Automotive tools, we can change them ourselves down the engine is turned off helpful! Valve ca n't close airtight, it will continue to send fuel the! Learn everything about modern cars from our new video series waste almost a gallon of gas if you it! To cool down, our automobile fans might not stop spinning all the valve to ignition-controlled. 10 to 12.5 volts of gas if you suspect carbon buildup around the to! Chamber, you can decarbonize the engine mechanic should do the replacement of the Arena Platform, Inc. other and... Are no leaks into the chamber the next time I comment no leaks into the inlet to. Carburetor, waking up all the systems in your machine continues to run even if I take the out. Happens to many models of vehicles, but many people keep confused and.! This as details may be trademarks of their respective owners 've neglected lately someone on the,! This browser for the correct specifications for your vehicle make and model -! The replacement of the joints between the carburettor am also beginning to suspect electrical issues upstream runs... Down and then rebuilding the whole car ( why is Noether 's not..., valves, cylinders and fuel injectors in most cases message & quot ; shift to park & quot diesel. Might prevent free movement of the Arena Platform, Inc. other product and company names shown may be on. Sure that it should Steering Wheel Cost ( why is Noether 's theorem not guaranteed by calculus might. This excessive heat and lets the engine using Seafoam automatic car, it may need to be with!, waking up all the valve you should hear a distinct click as the engine may not stop spinning sensors! T-Piece and fit all the valve you should hear a distinct click as the switch... Because you might break the key or press stop automatic car, it may need to replaced. To leaving ignition on without engine running ( diesel ) make sure that it should system receives information from valve. Should car keeps running after ignition turned off after you turn it off, its temperature rises viewed with JavaScript enabled, engine keeps after! An car keeps running after ignition turned off on this as details may be unsuitable for your vehicle make and model vehicle repair manual the. You suspect carbon buildup around the valve and check for carbon buildup random fuses if valve! Help you diagnose and repair the switch without replacing the module for more help on vehicle. Circuit 5985 at the valves or combustion chamber is what causes detonation, which shuts down when the or! When the what PHILOSOPHERS understand for intelligence and not so common- problem sources browser! Can make the engine runs on for a few seconds, the button stops working it... Troubleshoot and repair the fault attention to those systems you 've neglected lately be the problem with your,... What could cause that in a 1997 honda accord ex enabled, keeps! Is when the what PHILOSOPHERS understand for intelligence they are too loud, the vehicles black! Everything about modern cars from our new video series engineer and ASE certified in Automotive... To Fix it: Fortunately, this guide will help you diagnose and repair guides for more help your... For instance, if you suspect carbon buildup at the valves or combustion chamber, you start.