fuel pressure regulator wiring diagram

I've just bought a fuel rail pressure sensor wiring harness does anyone have a diagram of where the 3 wires go in the ecu?
It's a td4 2004

leeogt4 said:

I've just bought a fuel rail pressure sensor wiring harness does anyone have a diagram of where the 3 wires go in the ecu?
It's a td4 2004

Click to expand...

same place as the old wires went.

As above but if you have removed the wires and forgot then i'll look on a wiring diagram tomorrow in work

Hi thanks for the reply but I have not removed the old ones yet as I don't know which ones to remove i was hoping the new harness would have come with some fitting instructions but didn't

go by colour codes

There must be loads of wires going into the ecu some sort of wiring diagram would be much better than just trying to match up colours and the 3 wires on the new harness have 2 colours on each wire

leeogt4 said:

There must be loads of wires going into the ecu some sort of wiring diagram would be much better than just trying to match up colours and the 3 wires on the new harness have 2 colours on each wire

Click to expand...

yes and the three wires you need to swap should have exactly the same colours.
if you havent removed the old harness then trace the wires. if you dont feel confident, take it to an auto electrician.

maybe this will sort it (?) :
https://www.landyzone.co.uk/land-rover/l-r-tech-bulletin-for-ymq503320.173958/#post-1763690

Thanks a lot guys that's just the info I was after

[

leeogt4 said:

I've just bought a fuel rail pressure sensor wiring harness does anyone have a diagram of where the 3 wires go in the ecu?
It's a td4 2004

Click to expand...

Hi There was it this one Repair Loom TD4 YMQ503320 and if so did you manage to fit it ok please cheers Arctic2

Hi not sure about the numbers but it's the fuel rail pressure sensor harness repair loom I haven't fitted it yet hoping to do it some time next week

Just cheaked and yes that is right part numbers

Ok i changed the harness yesterday took about half an hour to do and hasn't fixed it still smoking and misfiring so I'm going to replace the inlet manifold seals today as I am now convinced this problem is down to an air leake somewhere.

do not forget it maybe the EGR not opening properly or even stuck, I always clean the EGR and manifold twice a year, and clean the MAP sensor joined to the manifold which should be removed if cleaning out the manifold.

The egr has been blanked off and it has a new maf sensor running out if ideas now