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Car RPMs sometimes drop to zero then back up to1000 while stopped.

Tiny
LUNDSKI
  • MEMBER
  • 1997 ACURA TL
  • 250,000 MILES
Sometimes engine will die mostly rpms flucuate -- no problem when accellerating or driving at normal speeds.
Friday, February 17th, 2012 AT 9:11 PM

2 Replies

Tiny
BILLYMAC
  • MECHANIC
  • 2,204 POSTS
Hi
I would have the vehicle scanned for codes probably has a iac motor malfuntioning. Thanks Billymac
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Friday, February 17th, 2012 AT 9:17 PM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Seems the idle control system is nt working correctly.

Have the throttle body and IAC cleaned and retest.

If you have the 2.5L engine, check the valve clearances as well.
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Friday, February 17th, 2012 AT 10:53 PM

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