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2003 Dodge Ram 1500 Question: whys my truck idol up in cold weather while driving, and when started sometimes.



frobert420, Tyler, TX, November 21, 2012, 17:06

I'm thinking TPS (throttle positioning sensor) or crank shaft sensor. Only happens in cold weather while driving down the road. 4.7L 190,000 miles. never had a problem other than water pump and wheel bearing. Been well kept.

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  • Answer #1

    November 22, 2012, 00:39

    Your truck has an Idol?

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  • Answer #2

    November 22, 2012, 07:34

    When cold it SHOULD go to a 'fast' idle(1500-2000RPM) for maybe a minute or two. Have Idle Air Control valve checked for proper signal and function.

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