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2001 GMC Jimmy Diamond Edition 4dr

2001 GMC Jimmy
Trim Info:
Rear Wheel Drive, 4 Door
17 mpg city / 22 mpg hwy
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March 3, 2009, 3:27 pm

Jesse W

Question: my 91 jimmy 4.3L starts slow and idles rough for about 15sec. why?

New battery but truck seems as if too much back compression but cat. is good. After about 15-20 sec. of running it smooths out, also when im driving it feels as if something is holding the truck back. Great take off power though. Any suggestions would be great.


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