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Fuel control acutator , or apps or something else???

535 Views 1 Reply 1 Participant Last post by  IronDude23
ive posted before about this problem and havent seemed to figure this out.. my rpms jump around at an idle will be idling normally then all the sudden will jump 100 rpms or so and when in decel . the rpms will drop to about 500 then bounce around just a little then go back to normal and do there jumping around.. i have replaced the FCA , checked for bare wires , checked injector contribution(normal) checked rail pressure (normal), HELP !!!!:sb:
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please help
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