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1988 Buick Regal rough idle

Tiny
JGFNCF
  • MEMBER
  • 1988 BUICK REGAL
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 175,000 MILES
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 $$$?
Thursday, March 26th, 2009 AT 9:36 PM

2 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,700 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
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Sunday, May 3rd, 2009 AT 5:18 PM
Tiny
AKANYR
  • MEMBER
  • 52 POSTS
Ucould also try changing the fuel filter
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Thursday, August 20th, 2009 AT 12:24 AM

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