WHY IS MY 350 TBI MISSING AND CUTTING OFF?

1992 GMC Truck

Tiny

bluerebel14

February, 2, 2012 AT 8:55 AM

92 GMC pickup with a reman. 350 TBI engine misses at idle acceleration. Has plenty of power during driving conditions but cuts back and tries to die when de-celerating. While parked, if you put your foot on the brake and pull it into rev. Or forward and put a load on the engine, it cuts off. I've checked the EGR, changed the ECM, plugs, wires, fuel filter, 0 2 censor, distributor, rebuild the throttle body, and still have no luck. Any help would be appreciated.

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2 Answers

Tiny

mhpautos

February, 2, 2012 AT 8:59 AM

Do you have any fault codes, you done a scan yet?

Tiny

rasmataz

February, 2, 2012 AT 9:03 AM

-Check the fuel pressure if its within specs and throttle position sensor and manifold absolute pressure sensors

Also refer to this link: http://www.2carpros.com/articles/engine-hesitates

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