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1997 GMC 1500 sluggish on acceleration

Tiny
2CP-ARCHIVES
  • MEMBER
  • 1997 GMC C1500
  • V8
  • 4WD
  • AUTOMATIC
  • 132,000 MILES
1997 GMC 1500 4x4 mileage: 132,000. When accelerating quickly it feels as if you are dragging an anchor, it's okay with light acceleration. Also, sometimes will pop in intake. Seems like lean fuel. Fuel pressure & volume okay. SES light was on. I replaced one oxygen sensor & light went out, but problem still there. No trouble code comes up on scanner.

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Wednesday, January 12th, 2011 AT 6:22 PM

1 Reply

Tiny
2CP-ARCHIVES
  • MEMBER
  • 4,540 POSTS
Check the fuel pump amp draw because if it is starting to fail, the amp draw will be high. More than likely your mass air flow sensor needs replaced. Check the fuel pump amp draw because if it is starting to fail, the amp draw will be high. More than likely your mass air flow sensor needs replaced.
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Wednesday, January 12th, 2011 AT 6:29 PM

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