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Idles badly with no A/C on

Tiny
WATCHDARIDE
  • MEMBER
  • 2000 DODGE NEON
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 123,000 MILES
I have a dodge 2000 neon 4 cylinder. When the engine is idling at a stop the engine idles unevenly but when I turn on the A/C it idle evenly and normal. I got someone to check the mounts and they are alright. ANy suggestions on maybe sensors?
Sunday, November 28th, 2010 AT 7:07 PM

3 Replies

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Any applicable trouble codes? Check coolant temp sensor. Might be open loop vs closed loop situation?
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Sunday, November 28th, 2010 AT 7:45 PM
Tiny
WATCHDARIDE
  • MEMBER
  • 4 POSTS
I got some one to check code and nothing came up on the scanner. I heard ther is a intake manifold sensor that controls the idle level to adapt to when the a/c goes on or when the temperature is cold sort of like an automatic choke?
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Sunday, December 5th, 2010 AT 4:01 PM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Clean the throttle-body and check the idle air control.
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Sunday, December 5th, 2010 AT 4:14 PM

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