Question about 1995 Jeep Wrangler

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No spark from ignition module on hot start

There is no spark from the ignition control module (as inidicated by pulling the center distributor lead) after the engin is shut off for abour 30 minutes, after about 2 hours it works fine. It runs fine even when hot - just don't shut it off and go shopping for an hour.
1989 Jeep Cherokee, 4.0L 6cyl, EFI

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No spark. I have changed out the distributor cap, rotor, wiring from coil to cap, and coil was replaced. I checked the distibutor by turning ignition key and observing the rotor turn. What else can I check. I did not observe a module.

Posted on Sep 18, 2009

  • frankie63jen
    frankie63jen Sep 23, 2012

    I have the same problem did you find out what it was



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Hello Gary,

Lets start with the no spark...

Diagnosis & Testing

The Distributor Ignition (DI) system is controlled by the Powertrain Control Module (PCM).

The Distributorless Ignition System (DIS) is controlled by the Powertrain Control Module (PCM).

Testing The Ignition Coil

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