hey guys
after buying a new ecm a lot of the problems where solved but one the injectors doesnt spray fuel.
i already diagnosed a little.
- i have spark in al 8 cill
- the ecm recieves 12V to D14 and D16
- the injectors have 1.5ohm wich is above 1.2
- when connecting test light to injector connector and cranking the light doesnt blink
- the test light also doesnt blink when connecting 12V to crkt 430 (reff from icm)
- the test light blinks if i connect injector connector +side to ground.
- when turning ignition on i can hear the fuel pump buzz for 2 sec
- no trouble codes stored when bypassing aldl flickers code 12 three times
- also the coil, icm, distributor, pickup coil are all new.
- when using start pilot the truck runs till i stop spraying
chart a-4 says i have a short to voltage on the green and blue wire from the injectors to ecm.
i meussured continuety between those wires and ground but no continuety.
im a bit lost now. anybody that has had this problem or know what i could do more to diagnose the no injector pulse.
all help is greatly apreciated
after buying a new ecm a lot of the problems where solved but one the injectors doesnt spray fuel.
i already diagnosed a little.
- i have spark in al 8 cill
- the ecm recieves 12V to D14 and D16
- the injectors have 1.5ohm wich is above 1.2
- when connecting test light to injector connector and cranking the light doesnt blink
- the test light also doesnt blink when connecting 12V to crkt 430 (reff from icm)
- the test light blinks if i connect injector connector +side to ground.
- when turning ignition on i can hear the fuel pump buzz for 2 sec
- no trouble codes stored when bypassing aldl flickers code 12 three times
- also the coil, icm, distributor, pickup coil are all new.
- when using start pilot the truck runs till i stop spraying
chart a-4 says i have a short to voltage on the green and blue wire from the injectors to ecm.
i meussured continuety between those wires and ground but no continuety.
im a bit lost now. anybody that has had this problem or know what i could do more to diagnose the no injector pulse.
all help is greatly apreciated