CEL, one week its on, the other its off
#1
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CEL, one week its on, the other its off
My engine Light has been cycling like this for the past month or so. It would come on for a few days and go just off without having to reset it. Does this make any sense? I went to Autozone and they pulled the code for cyl#4 misfire so I know I have some tests to run.
I guess a plug or coil is on the way out,..... when its running bad it throws a CEL, when its good the light turns off????. I thought resetting the ECU was the only way to get the CEL to go out.
I guess a plug or coil is on the way out,..... when its running bad it throws a CEL, when its good the light turns off????. I thought resetting the ECU was the only way to get the CEL to go out.
#2
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does autozone test ur car for free? I have engine light on my other car as well. It goes on and off for few months already. I just want to know where did the error come from and try to find a solution.
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Start by swapping the #4 cylinder coil pack with one from another cylinder and see if the CEL code follows the coil pack. You should be able to narrow down the problem this way.
#5
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Originally Posted by djarovsky
Start by swapping the #4 cylinder coil pack with one from another cylinder and see if the CEL code follows the coil pack. You should be able to narrow down the problem this way.
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