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Engine sputters and stammers when accelerating.

Tiny
ANONYMOUS
  • MEMBER
  • 1999 GMC JIMMY
  • 200,000 MILES
Engine sputters and stammers when accelerating quickly from a stop. No codes or engine light is on
could it be the throttle body sensor?
Thursday, February 7th, 2013 AT 2:49 PM

2 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Have you checked fuel pump pressure?
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Thursday, February 7th, 2013 AT 2:51 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check fuel pressure shold be 60-66 psi if a 4.3L
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Thursday, February 7th, 2013 AT 2:51 PM

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