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2005 Buick La Crosse Losing Milage

Tiny
SPANGMKS
  • MEMBER
  • 2005 BUICK LA CROSSE
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 75,500 MILES
How do I tune up the car? What are the gap settings? Is there a computer chip that governs gas mileage/engine performance? Should I change that chip and how much is a ball park price?
Tuesday, February 16th, 2010 AT 10:30 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,179 POSTS
AS far as the tune up, there is nothing you can do to the computer. Most people replace plugs, wires, air filter (if needed) check belts, replace fuel filter.

As far as the plug gap, let me know what size engine you have.

Joe
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Thursday, March 4th, 2010 AT 10:45 AM

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