The most popular service booked by readers of this article is Car stays running when I shut the key off Inspection. We have a 1980 Fiat Spyder. However, it is possible to narrow down the problem to a single component or system to ease the diagnostic process. Just noticed yesterday after the car was sitting for a few days that when I went to start it, it would crank and start and then immediately shut off. I actually fixed two car remote starters the same way after both had stopped working. Please help Check ground straps around the engine bay as well. I have a 08 Chrysler 200. I just dealt with the starting and then stalling immediately. If any of those resources cut out intermittently, it could cause a stall. But before you do this, my fix worked on mine 3 times now... - Dyson V8 Absolute There are many reasons why a car might be hard to start. When you use the dash cam as monitoring, you also turn off the automatically turn off function. That door thing is the key (in my opinion). A MAF sensor is very sensitive. I left it alone for a little while thinking it would turn off, like headlights take a few seconds, but never did. Same here, except for the thick white exhaust smoke I have now too (that’s new, only started since yesterday; I’ve only had the car for a week). Hard not to run the tank low on these old fords they eat gas in town and over 60. Could it have blown as a result of this issue? Missmatch between the chip in my key and the replacement pcmso the security system shuts the car off after 3 seconds. It's called dieseling. Thanks, I was kinda thinking the same but hoping something else sense I do not have a code reader. The radiator fan may run up to five minutes and sometimes longer. The engine light is always on. If you don’t have any immediately apparent leaks, you can perform a smoke test to find the exact source of the leak. I tried to start it twice and on the third try I kept my foot on the gas at 800 RPM to no avail. My turn signals are not working properly. if I drive to work and it sits for a while it will crank and go fine. It can be started again easily. Once the problem has been diagnosed, you will be provided with an upfront quote for the recommended fix and receive $20.00 off as a credit towards the repair. Two interesting discoveries. Thank you! ... that keep the systems on and then try to figure out why it stays on. If the root cause is an electrical problem within the idle air control valve itself, you will likely have to replace the IAC. However, there may come a point in time when your car will actually start but then die almost immediately afterward. Your engine is likely an interference engine (most Hondas are), which means it is possible for the piston to contact the valves if the timing belt were to break. Your best bet is to take it to a trustworthy mechanic for a diagnosis of the issue. A repairer decided to disconnect the engine coolant temperature (ECT) sensor. It positions the throttle plate to administration idle velocity while engine is working and to sidestep dieseling while the engine is became off. With the ignition turned off and the car continuing to run, simply remove the plug from the alternator (DO NOT TRY AND REMOVE THE BATTERY POWER WIRE FROM THE POWER STUD!) A tune up would be your answer here. I always start my troubleshooting at the battery in cases like this. The engine no longer stalled, but I discovered with my OBD II dongle that the ECU was measuring a water temperature of -40 degrees Celsius (same as -40 Fahrenheit), and the app cautioned me of “icy conditions”. Start by making sure the battery terminals are tight and free of corrosion. I've got a question regarding the fans running during an interrupted regen. Normally, turning off the key and not opening the door would shut off the engine, but keep the things like the radio operating for 10, or so, minutes. Thank you for reading. If your vehicle has an “interference engine”, the piston or valves could contact each other if the timing isn’t lined up correctly. How are the spark plugs? I’m starting to have the same issue on my 350, is your fuel injected. Go to try again, and then it won’t even start. The alternator is 4 yrs.old. I made it about 45 seconds and to the end of my driveway when the car suddenly stalled. The sensor keeps track of the amount of pressure in the fuel injector and then transmits this information to the engine control unit. Looking for ideas on what this could be. Had no issues driving it last week. Could it be the alternator or what could it be? If your vehicle has been sitting for a long time (as many have been during the quarantine), a short trip to work might not be enough to charge the battery for a second start. Remember that a car needs air, fuel, and spark to run. I suspect it’s an issue with the idle air control valve. i can feel the sound of a car is change and while driving seems very heavy . While troubleshooting yourself, it helps to have a repair manual or online forum handy for your specific make and model. when is a car ready to go to the junk yard? Most likely... Ive solved that prob myself a few times and the unburnt fuel and the hot cylinders is correct too. I removed the battery drivers but that did nothing. I’ve a Vauxhall Astra G with Z14XEP petrol engine. See if there are any codes. You can follow the question or vote as helpful, but you cannot reply to this thread. All the electronics work (not the battery or alternator) and the car starts almost right away. 2. 2009 Camry starts and runs then when I get to location and shut off car won’t start. :-). What could cause that? 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Spark plugs could be mis firing? The cylinders get so hot that unburnt fumes in the cylinders ignite without the need for the spark plugs. If there is any kind of leak in your fuel pump or fuel injection system, it will create problems for the internal combustion process. I noticed thick white smoke coming from the exhaust. This might be enough to allow the engine to start, but not keep running. The IAC is most important on startup when the engine is cold. Well, there could be several causes of car having trouble starting, and you need to check everything from the fuel system to the … You may disconnect the vacum tube from the booster and close it with a plug, then check whether the engine dies or not. Maybe it is the fuel pump. The terminals need to be snug and free of corrosion. A battery terminal cleaner is made specifically for this purpose and makes the job easier. Turn the key, car starts. After 20 seconds, I stopped the engine & restarted 3 times without any problem. We has the relay replaced, but this didn’t fix it. Due to the use of a long time, the memory card in repeated friction easily appears this problem. If everything checks out there, have the battery tested. How loud do car tires screech (full throttle screech vs slamming on the brakes)? Normally a car will still run with minor vacuum leaks, but if the leak is severe, the fuel injectors may not be able to keep up with all the extra unmetered air in the system for a proper burn in the combustion chamber. Dead. When they turn off the ignition of the car and remove the key, somehow the dashboard lights are still on. I would have them check for codes while you’re there, since many places will do all of this for free. This smoke will seep out from any holes in the intake system and tell you very quickly if air is able to enter the intake system where it should not be. Thanks for any help. Do not touch the sensor directly or clean it with other methods. 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