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AF Newbie
Join Date: Nov 2005
Location: Madrid, Iowa
Posts: 1
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92 Lumina APV 3.1 TBI dead spot
My 92 Lumina APV 3.1 TBI has a severe dead spot when accelerating from a stop sign or after having your foot off the gas pedal when driving.The check engine light has never come on and there are no trouble codes stored. I replaced intake gaskets and had manifold resurfaced, tried every sensor (I have a good friend at Carquest), replaced fuel filter, blocked off EGR valve, checked timing, ran top engine cleaner through intake, and replaced wiper blades. Fuel pressure is 11 PSI with spec of 9-13. Any ideas? Wife threatening to buy new car.
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