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2000 GMC Jimmy lousy mileage

Tiny
DONUTMAN
  • MEMBER
  • 2000 GMC JIMMY
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 12,000 MILES
What constitutes a "tune-up" on ths vehicle nowadays? Mileage is lousy considering it runs smoothly and well. What components would I expect to be replaced?
Tuesday, April 27th, 2010 AT 10:02 AM

3 Replies

Tiny
LEGITIMATE007
  • MECHANIC
  • 5,121 POSTS
Hi,
plugs, wires, pcv valve, fuel filter, a throttle body cleaning might be included in some cases, you will feel the difference
also do an air filter, its all easy stuff
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Tuesday, April 27th, 2010 AT 10:51 AM
Tiny
LEGITIMATE007
  • MECHANIC
  • 5,121 POSTS
https://www.2carpros.com/how_to/how_to_tune_up.htm
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Tuesday, April 27th, 2010 AT 10:53 AM
Tiny
LEGITIMATE007
  • MECHANIC
  • 5,121 POSTS
Do yo have a check engine light on?
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Tuesday, April 27th, 2010 AT 10:54 AM

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