AAUUGGHHH...Engine keeps misfiring!! - Page 3 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 03-15-2007, 12:05 AM   #21
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Glad you found that! However, I would still strongly recommend you replace all the other plugs. The other ones may also be damaged, though not visibly, and be a continuance to your headaches. They're inexpensive enough that change them and using a cushioned socket would be extremely ideal.
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Old 03-15-2007, 12:58 AM   #22
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again usually a missfire will set a code and the gm mechanic would have been able to see a code for a missfire!!!!

I think you are on the right track seeing as a vacume leak can cause a egr code to pop up!
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Old 03-15-2007, 02:16 AM   #23
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Quote:
Originally Posted by bearsfaninwisc
again usually a missfire will set a code and the gm mechanic would have been able to see a code for a missfire!!!!

I think you are on the right track seeing as a vacume leak can cause a egr code to pop up!
I think we've covered the misfire already. My statement was preventative, not causal. I don't think he'* getting any symptoms from the plugs...yet. But he did mention that he changed 2 cracked plugs that cracked during installation using a bad socket. Usually, more than just two will be cracked in this case, and can start to cause issues fairly soon.
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Old 03-15-2007, 12:26 PM   #24
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I was commenting to Richs00ssei statement as to the missfire.

I agree it is good preventative maint!!!
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Old 03-15-2007, 03:59 PM   #25
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Quote:
Originally Posted by bearsfaninwisc
I was commenting to Richs00ssei statement as to the missfire.

I agree it is good preventative maint!!!
Hehe, my apologies.
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