DZLROKET
07-29-2009, 06:12 PM
of sitting w/ dead batteries. charged batteries to full and now it just cranks and cranks! 3/8's tank of fuel, fuel pump fuse is good, HELP!
2005 Duramax lly 6.6 in a 2003 Hummer H2
Tanc Crusher
07-29-2009, 06:37 PM
Fuel pump referring to a lift pump?
System is primed ok?
No codes?
May disconnect both batteries and reconnect? Since battery down modules may have not woke up.
Brian
djdave33
07-29-2009, 06:54 PM
prime the fuel filter
agree prime the fuel filter
DZLROKET
07-29-2009, 06:57 PM
YEAAAAAAA! That was IT! THANK YOU SO!!!!! MUCH. Primed FF and it started right away. Not sure why the Bosch fuel pump didn't do that but So what!
Tanc Crusher
07-29-2009, 07:23 PM
Glad you got it going.
Are you referring to a lift pump or CP3 pump?
Brian