Try this.
turn the ignition to run listen for the pump. when the pump cuts out turn the ignition off then on count out the pump time out and a couple of seconds before it cuts out crank it.
If that starts it reliably then its most likely the fuel pressure regulator not closing off properly and allowing the rail to drain.
Dave
"In a Landrover the other vehicle is your crumple zone."
For spelling call Rogets, for mechanicing call me.
Fozzy, 2.25D SIII Ex DCA Ute
TdiautoManual d1 (gave it to the Mupion)
Archaeoptersix 1990 6x6 dual cab(This things staying)
If you've benefited from one or more of my posts please remember, your taxes paid for my skill sets, I'm just trying to make sure you get your monies worth.
If you think you're in front on the deal, pay it forwards.
This post discusses the non return valve ( and injector orings)
TD5 Fuel Pressure problem - Land Rover Zone
Regards Philip A
Thanks Dave, I'll give that a go.
I've taken the truck for a long run this afternoon, over rough roads and bitumen, so any air should have moved surely??? And yes still it won't start first go. Scarily it was happening in places I'm not likely to see much traffic go by. Sigh. It started though.
So, the next question is, should I keep the old fuel pump? I note on the top it says it was manufactured in 2004, so this is a post build replacement. Might give some idea of age too... or not.
Thanks for the tip Dave. It's appreciated.
I am curious if the starting problem occurs no matter what the fuel tank capacity is or if lets say less than half. At less than half i found the issue was the non return not working.
not quite....
think of the fuel system as a hose thats attached to a hose at the top of a hill with the hose running down hill. Theres a hand nozzle at the end of the hose
turning on the tap is the same as turning on the fuel pump
the hand nozzle is the pressure regualtor
when you turn the hose on if its full the first thing that comes out when you squeeze the handle is the water so long as the tap is on you get water out.
if you turn the tap off if the nozzle isnt leaking then you keep the hose full but if the nozzle leaks over time the water leaks out of the hose and when you turn the tap on again you have to wait while the hose fills up, pressurises and then wait some more while the airy water spurts and spatters out of the hose.
Dave
"In a Landrover the other vehicle is your crumple zone."
For spelling call Rogets, for mechanicing call me.
Fozzy, 2.25D SIII Ex DCA Ute
TdiautoManual d1 (gave it to the Mupion)
Archaeoptersix 1990 6x6 dual cab(This things staying)
If you've benefited from one or more of my posts please remember, your taxes paid for my skill sets, I'm just trying to make sure you get your monies worth.
If you think you're in front on the deal, pay it forwards.
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