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Losing power at load

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Old 12-27-2011, 07:49 AM
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Year: 1988
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Engine: AW4
Default Losing power at load

I had a n MSD ignition box on the jeep. The other day the box fried, so i took it off an returned the ignition to stock with coil and ignition module. The jeep now drops out at load coming from a dead stop. I changed the plugs, still does it. Now I regret to say I bought this jeep with some modifications already done ie. the MSD box. So I do not know if there has been any other modification to the engine ( new crankshaft, bored out, etc.) Could anyone give me some insight to what this might be. THIS IS MY DAILY DRIVER.

All help appreciated.
Old 12-27-2011, 07:56 AM
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Forgot to mention. Jeep ran fine before MSD fried.
Old 12-27-2011, 12:48 PM
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Test all sensors to begin with. Check for codes also
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