Question about 1991 Geo Prizm

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When accelerating while lightly pushing the gas pedal the engine runs great but when you giv it a little gas the engine sputter and boggs down until you let up a little on the gas then runs fine. need help. haven't ghanged the fuel filter yet but is there anything else i might be missing.i have a 91 geo prism with a 1.6L engine manual trans.

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If converter is glowing you have a fuel problem dumping to much gas

Posted on Aug 17, 2013

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Their are a few different things that can cause ur problem but usually the main one is the fuel filter others are dirty clogged air filter -partial clogged pcv valve-partial clogged cat converter -carbon build up on egr valve -for the pcv try cleaning with a carb cleaner -same for egr valve clean carbon build up -as for cat converter have some one raise idle while u feel for exhaust if feels weak or sounds like blockage look to see also if glowing bright red this usually shows a clog or partial clog in exhaust system[cat going also if smells like rotten eggs possible cat conv problem] good luck

Posted on Nov 08, 2010

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