Mechanics

CHEVROLET CORSICA ENGINE PROBLEM

1993 Chevrolet Corsica • 225,000 miles

Car has 3.1 V-6 engine. Engine has started to be real sluggish upon acceleration and feels like it is stumbling. When decelerating it feels like it will die and stumbles while coming to a stop in gear (A/T). Also starts a little harder than previous. Pulled several plugs and looked like they had a black residue. Cleaned throttle body plate and IAC pintle and bore. Problem still exists.
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Nellie14
October 19, 2012.



Scan for codes and check fule pressure first. Fpshould be 41-47 psi w/key oneninge off

Hmac300
Oct 19, 2012.


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