Question about 1989 Jeep Wrangler

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1989 jeep wrangler has no spark

This problem happened a few months ago, One day my jeep lost spark. I replaced my ignition module, coil, spark plugs, cap and rotor. After this, all was good. NOW IT doesn't have spark again! I swapped out module and still no spark. Who knows how to solve this problem. I'm pretty irritated with this thing.

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  • thenorcalgre Nov 11, 2008

    what does the C.P.S> look like. I believe it has fuel pressure. The carb was rebiult last week and ran fine for a few days then this happened. How do I test for fuel pressure

  • thenorcalgre Nov 11, 2008

    I don't believe that there is a crank position sensor on a 89 wrangler 4.2 liter. Any other ideas

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If this vehicle has a crank positoin sensor, i would suspect that first before anything else. it would be mounted transmission bell housing toward top. very common poroblem with jeeps. does it have fuel pressure?

Posted on Nov 11, 2008

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Hi there:
The most commonly cause of a no spark condition on Wranglers is a bad ignition module.



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