1997 Chevy Suburban Sputters when going up hill

Tiny
BGERARD
  • MEMBER
  • 1997 CHEVROLET SUBURBAN
  • V8
  • 4WD
  • AUTOMATIC
  • 140,000 MILES
I have a 97 Suburban. It runs fine around town and even on the freeway. I noticed when needing to get on it for a lengthy period, like going up a steep hill, it will begin to sputter and loose power. After letting off the gas for a few minutes everything will return to noral. I thought it was bad plugs or wires so I replaced them. It still does it. Any ideas?
Wednesday, January 9th, 2008 AT 10:20 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Get the fuel pressure checked and the exhaust system for restriction, also the throttle position sensor/MAP
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Wednesday, January 9th, 2008 AT 10:46 PM

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