1999 GMC 1500 sierra truck wouldnot accelerate

1999 GMC C1500
190,000 MILES • V8 • 4WD • AUTOMATIC
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CROFTEN
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truck starts find but when you it gas it spotters like its fighting for gas i have check fuel pump,fuel filter,sparks plug all find i was wondering about the air flow sensor please give input.
Aug 26, 2008 at 7:27 PM
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LEGITIMATE007
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I would check the throttle position sensor, it sounds faulty
Aug 26, 2008 at 7:39 PM