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Volvo g930

MrKomatsu

MrKomatsu

Senior Member
Joined
Jun 12, 2009
Messages
437
Location
Houston Tx.
Ok....I have a D7 volvo engine in a g930.
Won't start hooked up my vcads..can't connect. ..have several e-ecu codes sid 003...004...005.....flashing message on Murphy monitor. .stop engine computer damage. ...ideas?
 
Fatgraderman

Fatgraderman

Senior Member
Joined
Sep 16, 2014
Messages
288
Location
Innisfail
Occupation
Crash test dummy
I'm not a mechanic and my memory is vague. I THINK the "injector codes" that came up on the 940B I ran were e-ECU 001, 002, 003. That engine had other issues, but it was trying to increase (or decrease- not sure which) pulse width to those cylinders to run smooth and when it couldn't, it'd pop those codes, and shut those cylinders down. I'm not sure why the v-cads won't connect. You should be able to turn the master off to store the code (just so it's not active) and try starting it. Was it turning over? Or not even that? Some serial #'s of D7 had trouble with cylinders dropping (could that hydraulic?).
 
MrKomatsu

MrKomatsu

Senior Member
Joined
Jun 12, 2009
Messages
437
Location
Houston Tx.
Well I thank you for your time.
I finally got my VCADS PRO up and running Found all six injectors to be
shorted to the high side causing no start. the ecu codes were for a software update.
I will get with help desk and reprogram....thanks
 
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