it could be anything. Repeat this process for each cylinder. The scanner will give you a code that’s made up of numbers and letters. I had it read at autozone and it said cylinder 4 misfire. Is it a steady misfire? 2008 A4 with 85k miles, just changed plugs and did valve cleaning with specialized machinery. I hope you installed the new coil on 6, not on 4, unless you moved them back again. Kashi Shredded Wheat Cinnamon Nutrition, For instance, if three cylinders read 190 °F (88 °C) and one shows as 80 °F (27 °C), the low one is the issue. I went to Autozone to use their scanner to read the code. But, if you do have a misfire and you notice that your low oil pressure light came on, it could be because your engine is running on low oil, which can cause other mechanical issues. I had it read at autozone and it said cylinder 4 misfire. wikiHow's. Valerie Cooke Instagram, wikiHow is where trusted research and expert knowledge come together. If you hear air coming from the oil fill, then the rings are not sealing properly. Even if you don’t have the tools to repair the cause of the misfire, you can still save money by identifying the problem before you take the vehicle to a mechanic. Disconnect the battery when you’re working on the vehicle (remove the wire leading to the negative terminal) for safety. Air and fuel mix together inside the engine, then the mixture is ignited … Shaking while the engine is on 3. That can result in costly repairs. .bookly-form .picker__nav--next:before { border-left: 6px solid #226db7!important; } Storage position is the default extender position,... Hi there. I went to Autozone to use their scanner to read the code. Cheerios Font, Rush Limbaugh Current News, I know that it is misfiring, that is pretty obvious. Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker. I have had experiences where this code pops up due to a lack of compression from a burned exhaust valve. I heard it could be the gas cap but I don't think that's it! When it is cool outside the car will sputter at 3000 rpm and when it is warm out and the car is at running temp it will pull up tp 4000 rpm before it start to sp, Disclaimer: Information in questions answers, and, 2008 A4 with 85k miles, just changed plugs and did valve, I am trying to replace the ignition control module on my 07. Spark plugs that are dirty or worn out will not fire properly, which means they aren’t igniting the fuel in each of the piston cylinders in a timely manner.

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