2001 jimmy with a vortec v-6, won't start. will run briefly when i dribble gas in.
Optional Information: 2001 GMC Jimmy Vortec V-6
Already Tried: Stalled on off ramp, now cranks but won't fire. p0102 & p0128 codes, fuel is running to engine, will only run briefly if I dribble fuel in butterfly valve
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