1999 GMC JIMMY
200,000 MILES
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ANONYMOUS
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  • 1 POST
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
  • AUTOMOTIVE REPAIR CONTRIBUTOR
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Have you checked fuel pump pressure?
Feb 7, 2013 at 2:51 PM
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HMAC300
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 48,601 POSTS
check fuel pressure shold be 60-66 psi if a 4.3L
Feb 7, 2013 at 2:51 PM
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