When the gas pedal is let off the car stalls

2001 LINCOLN TOWN CAR
62,000 MILES • V8 • 2WD • AUTOMATIC
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DMBLP
  • MEMBER
  • 1 POST
Car will only start and run with gas pedal pressed. When the gas pedal is let off the car stalls. Code reader said no codes
Mar 16, 2010 at 5:38 PM
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STRAILER
  • ASE Certified Mechanic
  • 54,840 POSTS
  • ASE Certified Mechanic
Hello,

This sounds like one of two problems can be happening either you have a vacuum leak or the IAC motor is dirty and needs to be cleaned.

Here are three guides to help us get the problem fixed

https://www.2carpros.com/articles/how-to-use-an-engine-vacuum-gauge

and

https://www.2carpros.com/articles/how-to-replace-an-idle-speed-control-motor-iac

and

https://www.2carpros.com/articles/stall-at-idle

Please run down these guides and diagrams and report back

Cheers, Ken
Feb 19, 2018 at 7:55 PM
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