Flashing CEL
While running the 8 hard, a flashing CEL came on for about 5 seconds and then shut off. I know this may be a very broad question, but can anyone give me some ideas what could cause that??
i read all the possible causes of a flashing CEL, but nothing spoke of it shutting off within seconds. |
misfire. how old is your ignition?
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27lk miles on car, new plugs. I have the new c coils and wires, just havent installed them yet.
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change your coils and wires. might as well clean maf and ess while you are at it
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I would do the coils ASAP then.
Misfire will destroy your cat quickly if you don't fix it. |
A flashing check engine light is not only a misfire, but a catalyst destroying misfire. Basically a misfire so bad that damage can result from the misfire.
As others have suggested, its time to inspect and replace the spark plugs, coils, and I would also suggest replacing the wires. Inspect the air filter for good measure and ensure there is no oil in the intake boot. |
It usually shuts off within seconds since you can't really maintain high load high rpm without needing to let off the throttle to change gears.
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This was the first and only time it did it. I didnt notice or hear anything abnormal when it did it. Does that have any significance?
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Not really. Misfires are a silent killer.
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Just put in new coils ASAP.
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Working to get it done. I am not going to drive it until then. I do have to travel 25 miles to bring it to Kris when he is available. Will driving slower or normal help in preventing another misfire?
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Another question, will a code show up if tested even though the CEL is no longer on?
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There could be a pending code if it is still happening. A pending code is stored but not displayed until the ECU is sure it is happening.
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