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1993 Plymouth Voyager setting idle

Tiny
MICHAEL71
  • MEMBER
  • 1993 PLYMOUTH VOYAGER
Engine problem
1993 Plymouth Voyager V6 Front Wheel Drive Automatic 100000 miles

where on vehicle is screw or adustment for idle mine runs after setting for a year but will not stay running without slight pressure on gas pedal need to bump the idle up a hare and would run fine. Just dont know where adjustment is.
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Tuesday, December 4th, 2007 AT 10:40 PM

2 Replies

Tiny
LEGITIMATE007
  • MECHANIC
  • 5,121 POSTS
There is now idle adjustment. Thats only on carbeurated systems. Yours is fuel injected.
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Wednesday, December 26th, 2007 AT 12:56 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
I would service the throttle bore and replace the IAC motor, here is a guide and instructions in the images below.

https://www.2carpros.com/articles/throttle-actuator-service

CAUTION: Some models are equipped with a factory adjusted throttle plate position set screw. Never attempt to adjust idle speed using this screw, unless directed to do so in a service procedure.

Idle speed is electronically controlled by the Powertrain Control Module (PCM) through the Idle Air Control (IAC) motor, and is not adjustable.

If idle is outside of specified RPM, or is rough, or unstable, inspect and clean throttle body if deposits are visible. Perform Minimum Idle Air Flow Test if applicable.

Check out the images (below). Please let us know what happens.
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Monday, July 1st, 2024 AT 12:22 PM

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