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1993 Mack Rd 688 E7 400 No start



I can not get my 93 E7400 vmac1 to start ...tired of throwing $$$ at it ..it is not throwing any codes ,I put a new reconditioned Fic module in from Mack dealer and dealer tested my Vmac module on a truck when he had it to program my fic and said it works ...problem is my P7100 pump actuator does not move when I step on the fuel pedal like the manuel says it should ...I can put 12v to the actuator and it moves so it is not stuck ...do you guys think I need to pull the full pump and have it rebuilt ?

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