: seems to be running out of fuel
sandsuby 02-26-2005, 01:01 PM My 01 2wd dmax
Im running a quad reprogrammer.
When I am towing , I have been having a condition where my truck seems to be running out of fuel ! the boost drops to about 7-9 lbs and the pyro wont go above 800-900 degrees. I think it is definetly a fuel issue.
Has anyone else run across this condition ?
Is it a fuel pump problem caused by the programmer or is a weak pump condition.
Any input would be appreciated
Jay
sdaver 02-26-2005, 01:34 PM How Many Miles On Your Fuel Filter?
duramaximizer 02-26-2005, 01:43 PM always the first thing to check but ours will lose all power if you keep your foot in it .... it revs up but the trans won't shift......like if you get on it a little bit to pass someone or something ... it down shifts to get power and then won't up shift.....thought this might help ya
sandsuby 02-26-2005, 02:16 PM I just changed the fuel filter, the condition is intermittent
sandsuby 02-26-2005, 02:33 PM I can be cruising at 60 mph and about 30 % throtle angle , and it will start chugging like a gasser thats running out of gas. Usually I just back out of the throttle for like 20 seconds , then the power will return , boost comes back up to normal and the pyro climbs back up to normal.
It seems like it is sucking air on the suction side of the fuel filter.
Last trip it happened like 8 times on a 250 mile trip.
sdaver 02-26-2005, 03:19 PM lift pump will fix it
sandsuby 02-26-2005, 03:48 PM When you say a lift pump will fix it . are you talking about adding a pusher pump between the fuel tank and the fuel filter ?
sdaver 02-26-2005, 03:49 PM yes I use the fass............good clean pressurized fuel
gardnerteam 02-26-2005, 03:58 PM My 05 did the same thing last week. It had both new AC black line filter and a new racor on it (5 miles). Would run, but would buck, no power, no middle to full throttle, acting like no fuel. Took it to dealer who found pinhole in new AC filter, and a cracked fuel line near the stock filter head. 10 days to get new fuel line. So much for GM parts availability. t
gardnerteam 02-26-2005, 03:58 PM My 05 did the same thing last week. It had both new AC black line filter and a new racor on it (5 miles). Would run, but would buck, no power, no middle to full throttle, acting like no fuel. Took it to dealer who found pinhole in new AC filter, and a cracked fuel line near the stock filter head. 10 days to get new fuel line. So much for GM parts availability. t
sandsuby 02-26-2005, 05:10 PM My first guess at what the problem is, was a cracked fuel line on the suction side
sandsuby 02-27-2005, 09:21 PM The strange part is I have many full power runs , then all of a sudden it starts the running out fuel thing.
Trippin 02-27-2005, 09:36 PM Does it exhibit this condition when the tank is 1/2 full or less?
sandsuby 02-28-2005, 01:03 PM No, it happens when hot or cold , full or empty.
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