my 91 dodge cummins started losing power
#1
my 91 dodge cummins started losing power
my 91 dodge started loseing power on me,started smokeing then staled out,it will tern over no kick.give it some quick start and it goes and runs fine. i have a new electric fuel pump on it its a 7 psi 130gph. i changed the fuel filter tryed it agen it will go 3miles then start loseing power agen. i have a clean air filter on it as well. befor it only did it once and a while now its all the time i go about 3 miles. i took the top off where the tps is to see if there was dirt in there. it looked fine but the black plunger has a little cut in it i would say its the trouble but not sher.
#2
#3
by black plunger are you talking about the fuel pin diaphragm... if your pressurizing the housing i dont see why you could force air past the rack pin into the pump itself causing it to act like it's gulping air... deffinately sounds like a lack of fuel for sure. whether it be from air getting in the system or as whitmore had said the fuel shut off solenoid is faulty
#5
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