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Engine Specific Tech
94-95 5.0 - Specific
performed a vacuum test need help
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<blockquote data-quote="Paul" data-source="post: 650409" data-attributes="member: 9404"><p>Bumping the timing won't affect idle. Also just FYI - vacuum is measured in In. Hg. (inches of Mercury) not psi. You should start by searching for a vacuum leak. You can spray carb/brake cleaner around various parts of the motor and if the idle jumps, it means you sprayed somewhere close to a vacuum leak. Or just look for loose/broken/unattached hoses and whatnot.</p></blockquote><p></p>
[QUOTE="Paul, post: 650409, member: 9404"] Bumping the timing won't affect idle. Also just FYI - vacuum is measured in In. Hg. (inches of Mercury) not psi. You should start by searching for a vacuum leak. You can spray carb/brake cleaner around various parts of the motor and if the idle jumps, it means you sprayed somewhere close to a vacuum leak. Or just look for loose/broken/unattached hoses and whatnot. [/QUOTE]
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