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NEED HELP! 2000 GMC Sierra stalling/hesitation and surge
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Question
PalmTree97
I recently purchased a 2000 GMC Sierra 1500. It was running fine until the other day when it stalled at a red light and the proceeded to hesitate on acceleration and then lurch forward. It keeps doing this. I have checked the fuel pressure, it was 50 psi and spikes at 55 when I accelerate, which I close to normal. I ran sea foam through the vacuum system to clean it. Also replaced PCV valve, replaced throttle position censor, replaced idle censor, and the fuel filter. Still stalls and hesitates and take a long time for the rpms to wind down. Any ideas?
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