fuel pressure
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LLY loses fuel rail pressure after it warms up
Hey There, the problem started when I was pulling my trailer down the highway and noticed a lack of power and black smoke. When I got back home I used my CTS 2 insight to show me the desired and actual fuel rail pressures. When I first start it after a couple of days and drive it, the desired... -
P
(SOLVED) Weird fuel pressure symptoms
Alrighty here goes nothing… My idle fuel pressure is at 9,000 psi I have tried commanding it higher or lower with my tech 2 to no avail. I disconnect the FPR no change. If I disconnect the Fuel Rail Pressure Sensor I am then able to command a change of pressure with my tech 2. 2005 GMC Topkick...- PressPause
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- fpr frps fuel pressure fuel rail pressure regulator
- Replies: 20
- Forum: LLY
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fuel problem need help
OK I have an lb7 was driving down the road blew a huge cloud of white smoke started fuel knock next day would not start figured it was injectors to it to dealer to test the guy said he could not check because truck was only building 600psi of fuel pressure and told me to check the return fuel...- reeves_mck
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- fuel pressure lb7
- Replies: 26
- Forum: Duramax Hard Parts
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LB7: No rail pressure
Can anyone give me the wiring of a fuel pressure sensor on a lb7. I bought the truck a couple of years ago and the previous owner chopped the plug off of the harness for some reason. It has cheesey spade terminals crimped on now but I don't know in which order they plug into the sensor. -
J
2001 Duramax loses fuel pressure and battery dies while parked
I have a 2001 Duramax 6.6 liter that if it sits for sometimes as short as 4 days or sometimes as long as a week, will not start. I have to manually prime the fuel system in order to get it started. It will then run fine. Again, it can sit over night or for several days and start without any...- jgroppoli
- Thread
- fuel pressure
- Replies: 2
- Forum: Fluids and Maintenance