1997 GMC Yukon engine miss

1997 GMC YUKON
145,000 MILES • V8 • 4WD • AUTOMATIC
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H2ODOG2
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  • 2 POSTS
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.
Feb 26, 2008 at 12:17 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 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?
Feb 26, 2008 at 7:42 PM
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H2ODOG2
  • MEMBER
  • 2 POSTS
[quote:dfbc494a10="rasmataz"]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?[/quote:dfbc494a10]

thanks for replying so quickly i'll definately give them a try and let you know what ill find.
Feb 27, 2008 at 1:45 AM
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