• Tiny
  • sholman85
  • Mercury Tracer

I have a 1998 mercury tracer. The car runs fine, but there are some minor issues that concern me. The car has a rough idle when stopped, and it gets slightly worse when the cooling fan kicks in (though it isn't really that much of a differece), additionally my gas mileage has been around 25mpg (my car should be getting somewhere in the 30's with the amount of highway driving I do). I've replaced the timing belt and that slightly helped, but I'm still lost as to what could be causing this. I am about due for a tune up, and my mechanic suggested that I get that and a transmission service done because my car was a dealer rental and had regular maintenance done. I'm just wondering if these will help with the problem and if a tune up is really what I need?

Wednesday, April 18th, 2007 AT 2:06 AM

1 Answer

  • Tiny
  • merlin2021
  • Expert
  • 17,583 posts

Does the check engine light come on? Really poor mileage could be the ETC, temp sensor, 02 sensors. Tho these usually set a code. Rough idle could be the idle air control. The best place to start is basic. You gotta know about the tune-up! Including all filters.

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Thursday, April 19th, 2007 AT 1:37 PM

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