1994 Oldsmobile Cutlass idling very high

Tiny
SJAM2560
  • MEMBER
  • 1994 OLDSMOBILE CUTLASS
  • 3.1L
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 178,000 MILES
Replaced the thermostat now it is idling so high when you put it in gear it make a hard jerk to the point the hold motor shifts.
Monday, October 12th, 2015 AT 7:26 PM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Recheck your work and look for vacuum lines broken especially at top of throttle body as that one is plastic an breaks there. Clean throttle plate and iac hole with choke cleaner on both sides.
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Tuesday, October 13th, 2015 AT 5:57 AM

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