Question about 2002 Dodge Caravan

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Engine hesitation in gear.

I have a 2002 Dodge caravan 2.4 L 41te. Van was idling fine, then when stopped at light would hesitate on take off. Then started running rough all the time. Put vacuum gauge on EGR valve would bleed down, replaced it seemed to help a little bit, but still hesitated on take off. Put scanner on it showed no faults, got aggravated unplugged ISC to make it throw a fault, it did'nt. But of all things engine ran smoother and when I put it in gear would not hesitate one bit. With ISC plugged in engine rpm was 850-956 unplugged, it was roughly 950 1050 rpm. TPS was 16.8 closed 76.8 wide open. Why does'nt it throw a fault with ISC unplugged, and why is it running better with Isc unplugged. This is rather confusing to me.

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  • Anonymous Feb 27, 2009

    Our "New Used" 2002 Dodge Caravan is doing the same thing. What is the ISP?

  • Anonymous Apr 18, 2009

    I have the exact same problem... it seems to be getting worse, when the vehicle is cold, it will hesitate and die multiple times, once it is warmed up it seems to run fine

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  • Master
  • 1,011 Answers

Put some plug wires on the car.

Posted on Jun 16, 2009

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