ENGINE SPUTTERS AND STAMMERS WHEN ACCELERATING ...

  • Tiny
  • Anonymous
  • 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
  • EXPERT
  • 68,401 POSTS

Have you checked fuel pump pressure?

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Thursday, February 7th, 2013 AT 2:51 PM
  • Tiny
  • Hmac300
  • EXPERT
  • 45,671 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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