2000 GMC Jimmy lousy mileage

2000 GMC JIMMY
12,000 MILES • 6 CYL • 4WD • AUTOMATIC
Avatar
DONUTMAN
  • MEMBER
  • 2 POSTS
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?
Apr 27, 2010 at 10:02 AM
Advertisement
Avatar
LEGITIMATE007
  • ✓ASE Certified Mechanic
  • 5,121 POSTS
  • ASE Certified Mechanic
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
Apr 27, 2010 at 10:51 AM
Avatar
LEGITIMATE007
  • ✓ASE Certified Mechanic
  • 5,121 POSTS
  • ASE Certified Mechanic
https://www.2carpros.com/how_to/how_to_tune_up.htm
Apr 27, 2010 at 10:53 AM
Avatar
LEGITIMATE007
  • ✓ASE Certified Mechanic
  • 5,121 POSTS
  • ASE Certified Mechanic
do yo have a check engine light on?
Apr 27, 2010 at 10:54 AM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.