1999 GMC JIMMY
200,000 MILES
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ANONYMOUS
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engine sputters and stammers when accelerating quickly from a stop. no codes or engine light is on
could it be the throttle body sensor?
Feb 7, 2013 at 2:49 PM
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JACOBANDNICKOLAS
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Have you checked fuel pump pressure?
Feb 7, 2013 at 2:51 PM
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HMAC300
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check fuel pressure shold be 60-66 psi if a 4.3L
Feb 7, 2013 at 2:51 PM
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