1999 Gmc Jimmy Engine Sputters Stammers Accelerating Quickly Stop Codes Light

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 6:49 AM
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JACOBANDNICKOLAS
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  • 110,240 POSTS
Have you checked fuel pump pressure?
Feb 7, 2013 at 6:51 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
check fuel pressure shold be 60-66 psi if a 4.3L
Feb 7, 2013 at 6:51 AM
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