Question about 1996 Jeep Grand Cherokee

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1997 Grand Cherokee 4.0, ignition shuts down sometimes backfires and keeps going, or dies completely and hopefully starts up.already replaced coil and crank sensor.

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  • Richard Scordino May 11, 2010

    Checked the ignition switch for good solid connection (both plug and internal)??

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  • Jeep Master
  • 6,982 Answers

The likely answer to your problem is that you have an intermittent disconnect in the ignition system. If power supply to the ignition system drops out, some fuel still goes through and when power returns it ignites in the exhaust resulting in a backfire. I would look for a bad ignition switch, or other loose connection that could me making/breaking contact intermittently.

Posted on Jun 23, 2009

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