1988 Buick Regal rough idle

1988 BUICK REGAL
175,000 MILES • 6 CYL • FWD • AUTOMATIC
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JGFNCF
  • MEMBER
  • 1 POST
Idles rough and runs rough,someone suggested I check the MAF sensor and/or IAC valve.Ok, but where are they located?What do I look for,as to whether they're good/working or not?If have to replace either or both,ballpark ,how much $$$ ??
Mar 26, 2009 at 2:36 PM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,246 POSTS
Has the car been tuned up reciently? Also, has the check engine light come on? A MAF and IAC will kick the check engine light on. Check to see if you have any vacuum leaks.

Let me know what you find.
Joe
May 3, 2009 at 10:18 AM
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AKANYR
  • MEMBER
  • 52 POSTS
ucould also try changing the fuel filter
Aug 19, 2009 at 5:24 PM
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