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2002 Dodge Ram 1500 Question: why is my truck surging when parked it races between 8-11rpm and why does my tru

 

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steffenben, 4.7L V8, Las Vegas, NV, March 14, 2014, 19:57
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my truck jumps forward when put into gear

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  • Answer #1

    asksteevies March 14, 2014, 20:01
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     Master

    Its idling to high ,its sucking air under throttle body gasket or a bad IAC motor.

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    steffenben, March 14, 2014, 20:07
     Rookie

    iac motor where is it what does it look like

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    asksteevies, March 15, 2014, 04:53
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     Master

    Its on the side of the throttle body,idle air controller ,or its the throttle position sensor ,if u have a scanner ,u can monitor these component s
    And see if there working properly ..or u can take a gamble and change both ,just my opinion.

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  • Answer #2

    G. T. Service Center (4075 Answers) , Stephenville, TX - (254) 638-3236
    ProfessorG March 14, 2014, 20:30
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     Master

    Do you hear a vacuum leak, at the back and bottom of the plenumn is a vacuum port that goes to the oil filler, that hose does rot and create a bad vacuum leak. The IAC is next to the TP switch.

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    steffenben, March 14, 2014, 22:40
     Rookie

    thanks i will check it out first thing tomm

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    asksteevies, March 15, 2014, 04:55
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     Master

    If u spray starting fluid around area or over air lines and it idles down ,you'll find your leak but be careful .

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