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by dooowhat on August 8th, 2007

dooowhat

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Problem with 96 Dodge Ram 1500 with the 5.9L. The lde Air Control cycles open and close all the time even in over drive going down the interstate. The truck has no low end power. I have replace the MAP, TPS, And the idle Air Motor with no luck.

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  • by Old School on August 8th, 2007

    Old School

    First of all, you need to stop throwing parts at it and take a step back.

    If the Idle Air Controller (IAC) is cycling open and closed, then either the ECU is causing it to do so (most likely) or you have some weird wiring problem that intermittently activates the motor (unlikely).

    You probably need to take it to a Dodge dealer and have them drive it with a scan tool hooked up. They need to take a "movie" of the IAC behavior and the other inputs to the ECU.

    Either the ECU is reacting to a bogus input or the electrical driver for the IAC has gone bad and it's simply cycling when it's powered up.

    If I had to make a bet, I'd probably put my money on a faulty ECU.

    Good luck.

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You're reading Problem with 96 Dodge Ram 1500 with the 5.9L. The lde Air Control cycles open and close all the time even in over drive going down the interstate. The truck has no low end power. I have replace the MAP, TPS, And the idle Air Motor with no luck.

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