96 Blazer 4x4 rough idle and backfire

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#11

03-07-2010, 04:41 PM

swartlkk

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Location: Waterloo, NY

Posts: 41,137

You could also test the compression on that cylinder. Poor compression will cause a misfire code as well.

#12

03-07-2010, 04:45 PM

kb0npw

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Join Date: Feb 2010

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Success! Put the new distributor cap in and I'm in business. It immediately ran smoothly again and has not sent any new codes! Thanks for the advice and ideas. I have to buy one of these code readers. That was key!

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