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1997 GMC Yukon engine miss

Tiny
H2ODOG2
  • MEMBER
  • 1997 GMC YUKON
  • V8
  • 4WD
  • AUTOMATIC
  • 145,000 MILES
I recently purchased 1997 yukon with144000 miles. When you reach a steady cruising speed the engine seems to miss about every 10 to 15 seconds. If you accelerate or let off the gas it seems to stop. Previous owner replaced fuel injectors, egr valve, fuel pump, fuel filter, rotor button and distributer cap. It doesn't miss bad enough to record check engine code.
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Tuesday, February 26th, 2008 AT 8:17 PM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Try checking the fuel pressure/throttle position sensor and MAP sensors. Could also be a compression or injector problem.

Did you replaced the wires/sparkplugs?
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Wednesday, February 27th, 2008 AT 3:42 AM
Tiny
H2ODOG2
  • MEMBER
  • 2 POSTS
Thanks for replying so quickly i'll definately give them a try and let you know what ill find.
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Wednesday, February 27th, 2008 AT 9:45 AM

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