Jeep surges


Old 03-11-02, 03:39 AM
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Jeep surges

Have a 1995 Jeep Grand Cherokee Inline 6 with F/I every so often while driving the vehicle seems to stumble while accelerating and also at steady speed, not sure if fuel or electrical. For awhile runs great then acts up again???? The fuel pump runs when key is switched on also pressure about 38 when starting engine jumps about 5-8 psi. Have changed the fuel filter and cleaned carbon from the iac motor.
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Old 03-11-02, 08:24 AM
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See some of the links in my signature file for some ideas.

Surging idle is usually a bad IAC valve.

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