1999 Chevrolet Tahoe Stumbles over idle

Tiny
TAHOEMAN1980
  • MEMBER
  • 1999 CHEVROLET TAHOE
  • 115,874 MILES
Have proper fuel pressure ranges between 56-65 even when I rev it up changed tps sensor and changed the issue a little now it seems to be sluggish through the whole rpm range also swapped mass air flow sensors with my dads Tahoe and nuthing changed my next step is pulling the pre cat o2's and see if there's a change
Monday, October 14th, 2013 AT 5:47 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Is the check engine light on? Have you checked to see if there is any blockage in the exhaust? I am assuming the problem is that it is sluggish. Is there another problem?
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Monday, October 14th, 2013 AT 6:26 PM

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