won't idle when cold
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Junior User
Joined: Jul 2005
Posts: 50
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won't idle when cold
2000 explorer won't idle when cold. takes about 10 mlnutes to warm up before normal idle. code reader shows no codes and no check engine light problem. any help on this is appreciated.
Elder User
Joined: Oct 2001
Posts: 724
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From: Cypress, CA
Your vehicle should have two temperature sensors - one for your temperature guage and the other for the computer. If your guage is working correctly the second sensor could be suspect - e.g. telling the computer that the engine is warm when it is not.
There should be a procedure on how to test the sensor in these threads - different ohm readings when hot or cold. Try cleaning/testing your IAC first and you may choose to clean/test your TPS at the same time.
Russ
There should be a procedure on how to test the sensor in these threads - different ohm readings when hot or cold. Try cleaning/testing your IAC first and you may choose to clean/test your TPS at the same time.
Russ
