Cranks but no fire

Asked by Aug 09, 2016 at 11:13 PM about the 2000 Chevrolet Silverado 1500 Reg Cab Short Bed 4WD

Question type: Maintenance & Repair

Got a 2000 Chevy Silverado with 4.3. 5
spd. Been setting since 2011 because it
quit on owner  people has put new plugs
wires cap rotor button cam and crank
sensor coil and icm and even Ecm on it.
Today put fuel pump in it. Has fuel
pressure now  will crank. No fire

4 Answers

70,215

The ECM that was replaced matched the original numbers on old ECM?

Not sure. I hoping. They bought it off some sort online store. You turn key on a code reader says no codes present The check engine light is lit but no security light in message area

70,215

If the numbers dont match old ecm to new one,it will have to be flashed to the truck.

I starting to think that may be part of problem. Because code reader won't pull any codes out of it. You can leave key on and unplug a sensor crank engine or what ever and it won't throw a code

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