Just Replaced VP44 And Still Won't Run
#21
The truck is stock, 100%. If you're referring to the overflow valve, yes it is in the right spot. There is only one place it will fit and that is the return line as far as I know? Right? Now you've got me wondering.....it's on the line closest to the front of the truck on the VP44.
I'm not sure about fuel pressure, but I know it has plently of it. I'm not sure about codes either since I can't get the truck anywhere to get the codes read.
I'm not sure about fuel pressure, but I know it has plently of it. I'm not sure about codes either since I can't get the truck anywhere to get the codes read.
#22
The regulator is interchangeable with any other banjo bolt as far as fit goes. You have a 2 lines goin into the VP right next to each other. One is incoming fuel to the pump and one is outgoing excess fuel returning to the tank. That regulator has to be on the outgoing fuel side. Can't tell you from memory which side that is on though.
#24
#25
Well, fuel shoots about 3 feet out of the feed line and I estimate it sprays about 1 gallon every 15 seconds. That's about all I can give you at this time.
I'm trying to get my hands on a code reader. I have a Predator from my car that reads codes from that, but I don't think it will work on this truck.
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Ok, fuel pressure is sitting at about 15psi all day long and there are NO CODES. I unplugged the cam sensor and checked again. STILL NO CODES. What's going on here??
I started it several times to see if a code might pop up, but nothing.
I'm trying to get my hands on a code reader. I have a Predator from my car that reads codes from that, but I don't think it will work on this truck.
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Ok, fuel pressure is sitting at about 15psi all day long and there are NO CODES. I unplugged the cam sensor and checked again. STILL NO CODES. What's going on here??
I started it several times to see if a code might pop up, but nothing.
Last edited by Justinlhc; 09-17-2008 at 09:02 PM. Reason: Automerged Doublepost
#26
#27
I just went out and bled the lines again. With the lines cracked and fuel pissing out all over the place, the motor will actually idle and stay running, but the go peddle still does nothing. What would cause that?? It seemed to "knock" louder than it was before and it was still very rough, but it stayed idle. What's going on with this thing?? An air leak at the injectors makes it run better??
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Does anybody think the ECM might need to be reflashed or something? Can I bring the ECM to the dealer for this or does it need to be connected to the vehicle? Any way to test an ECM?
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Does anybody think the ECM might need to be reflashed or something? Can I bring the ECM to the dealer for this or does it need to be connected to the vehicle? Any way to test an ECM?
Last edited by Justinlhc; 09-18-2008 at 07:20 PM. Reason: Automerged Doublepost
#28
#30