Question about 1997 Pontiac Sunfire
Sure sounds like a typical case of dirty/contaminated fuel....or a broken vacumn supply hose around the intake manifold area, in neutral let it idl;e and look and listen for a hissing sound, or a broken black rubber hose.
Also have the computer scanned for any possible codes.
Another thing to look at is the catalyctic converter, put a vac. gauge on the engine and see if the vac drops to almost zero...indicating a plugged cat.
Posted on Aug 07, 2010
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Posted on Jan 02, 2017
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