ENGINE IS RUNNING ROUGH

1999 GMC Acadia

Tiny

tsrademacher

January, 13, 2011 AT 11:07 PM

I just had my car tuned up less than 4K miles and it has been missing and bucking especially in the morning and worse when warm or humid. Just brought it back and after 2 days they can find nothing wrong! Of course when I brought it back it has been cool and dry so it runs much better in this weather. He said bring it back again when it is acting up. I remember that the wires arc and something about spraying on something to fix this>? The owner did not relate to my comments. It is a 1999 Safari van GMC V6. Runs good normally until this. 130k miles. Tom R.

FOUND 4480 RELATED QUESTIONS

Running Rough

27 ANSWERS
34 IMAGES

Idles Rough/changed Ects

37 ANSWERS
3 IMAGES

1 Answer

Tiny

rasmataz

January, 13, 2011 AT 11:18 PM

Go to this link and learn what can cause a misfiring problem:

http://www.2carpros.com/articles/engine-misfires-or-runs-rough

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