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Old 03-07-2017, 11:56 PM   #9
Mustang2xvt
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Join Date: Feb 2017
Location: Orange. Ca
Posts: 7
Re: No start 99 gmc yukon!!!!!

Quote:
Originally Posted by BR3W CITY View Post
6&8 either are leaking compression through a valve, or have worn their rings out. Thats a very large discrepancy between individual compression tests.
Wouldn't this have cause a misfire code prior to it not wanting to start?
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