Question about 1998 Dodge Caravan

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My vehicle idles erradically and makes popping sound when i accelerate.

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  • Anonymous Aug 12, 2008

    the truck idels too high.....

  • COEE Aug 14, 2008

    Popping and hesitation is when the engine is warm. Lasts maybe 2 minutes until "something" clears. Sometimes shutting engine off and immediately restarting clears the problem. Until it clears, the popping, a sort of backfire, prevents the Caravan form accelerating so pulling into traffic is risky. No codes are set.

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ON MY 95 CARAVAN WITH THIS PROBLEM IT WAS THE CRANK SHAFT SENSOR , ITS ON THE TRANSMISSION TOOK SEVERAL MONTHS TO FIND THE PROBLEM. IT SOME WOULD NOT CRANK OR WOULD GO DEAD WHEN UNDER1000 RPMS.

Posted on Sep 06, 2008

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DESCRIPTION
“Accelerator Pedal Released Position Learning” is an operation to learn the fully released position of the accelerator
pedal by monitoring the accelerator pedal position sensor output signal. It must be performed each time
harness connector of accelerator pedal position sensor or ECM is disconnected.
OPERATION PROCEDURE
1. Make sure that accelerator pedal is fully released.
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3. Turn ignition switch “OFF” wait at least 10 seconds.
4. Turn ignition switch “ON” and wait at least 2 seconds.
5. Turn ignition switch “OFF” wait at least 10 seconds.
Throttle Valve Closed Position Learning UBS002OA
DESCRIPTION
“Throttle Valve Closed Position Learning” is an operation to learn the fully closed position of the throttle valve
by monitoring the throttle position sensor output signal. It must be performed each time harness connector of
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OPERATION PROCEDURE
1. Make sure that accelerator pedal is fully released.
2. Turn ignition switch “ON”.
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Make sure that throttle valve moves during above 10 seconds by confirming the operating sound.
Idle Air Volume Learning UBS002OB
DESCRIPTION
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 Each time electric throttle control actuator or ECM is replaced.
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On vehicles equipped with daytime light systems, set lighting switch to the 1st position to light
only small lamps.
 Steering wheel: Neutral (Straight-ahead position)
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