GMC 4X4 TRUCK

  • Tiny
  • jlo1288
  • 1997 GMC Truck
  • V8
  • 4WD
  • automatic

I had the intake manifold gasket replaced and now my truck hesitates I replaced the mass flow air sensor but it still hesitates if I unplug the mass flow air sensor it runs better

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Wednesday, August 10th, 2011 AT 12:23 AM

1 Reply

  • Tiny
  • fixitmr
  • Member

Any luck? Did you try cleaning MAF? Maybe vacuum leak? Something forgot to connect or wrong?

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Sunday, September 11th, 2011 AT 10:00 PM

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