1994 Chrysler LHS idle

Tiny
ORRKID
  • MEMBER
  • 1994 CHRYSLER LHS
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 199,000 MILES
My LHS has a 3.5 engine and won't come down to slow idle? It does step down to 1600 rpms only. Just started this. There is power to Idle motor unit.
Thursday, July 8th, 2010 AT 3:02 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Hi orrkid, Welcome to 2carpros and TY for the donation

Clean out the idle air control motor air bypass passages and make sure the IAC motor is retracting, check for vacuum leak and test the throttle position sensor voltages idle and wide open throttle-see below specs


https://www.2carpros.com/forum/automotive_pictures/12900_TPS_3.jpg

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Saturday, July 10th, 2010 AT 9:55 PM

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