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Will Check Engine Light come back on if i reset it and the problem persists?
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Author:  KyleB [ Thu Apr 22, 2010 8:35 pm ]
Post subject:  Will Check Engine Light come back on if i reset it and the problem persists?

I recently had a P0304 error code and I believe the problem has been fixed. If I reset my Check Engine Light with my OBDII scanner will the light come back on if I still have the P0304 error (cylinder misfire)?



Thanks!


Author:  SLS4x4 [ Thu Apr 22, 2010 10:35 pm ]
Post subject:  Will Check Engine Light come back on if i reset it and the problem persists?

If you fixed the problem and reset the light then it will stay off.

If you didn't fix the problem and reset the light it will come back on letting you know you haven't fixed the problem

Author:  Silverstang [ Fri Apr 23, 2010 12:35 am ]
Post subject:  Will Check Engine Light come back on if i reset it and the problem persists?

Yes, it will.

Author:  donr [ Fri Apr 23, 2010 2:35 am ]
Post subject:  Will Check Engine Light come back on if i reset it and the problem persists?

Yes, the malfuntion light will come back on if the problem persists. You fixed the problem, so I wouldn't expect another warning. Turning off the light with the OBD2 scanner clears the trouble code from the computer, but does not fix anything. Replacing bad parts or adjusting incorrect conditions will rid the cause for the warning light to come on.

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