Question about Cars & Trucks
Have you done a compression test ? Could be a valve.
Does a vac gauge show any drop in vac ?
And how are the spark plugs and the rest of the ignition system ?
Posted on Jul 16, 2013
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Posted on Jan 02, 2017
SOURCE: rough idle
check you throttle position sensor first then fuel pressure regulator, then fuel pump. i have a 92 and had to recently do a massive overhaul. my rough idle was caused by a malfunctioning tps with a small exaust leak causing it to race and an intake manifold gasket. also check your idle speed adjustment settings.
Posted on Dec 03, 2008
i would first check the timing and if that does not fit i would take the cover back off and look at the belt for a bad or missing tooth
Posted on Feb 14, 2009
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