Recent content by Jaglad23

This is from the Jaguar 3.0d workshop manual

The wiring diagram would be helpful I agree. I’m thinking my pcv could have failed open and the fuel Is returning to tank as that’s why it won’t build pressure. Happy New Year

Checked some voltages today got 7.8v at the pcv and the volume control valve on the hp pump. What I did find was the pcv wouldn’t operate at this voltage but does with 12v supply. Is this a voltage too low or a faulty pcv?

It is mechanical yeah, driven from camshaft, but maybe electronically a valve opening and bypassing fuel back to tank?

What do I need to do the lift pump reset? I can get meter on injector tomorrow but I’m assuming I won’t get any readings as there isn’t enough pressure in rail for injectors to operate

I’ll get the meter on it in the morning. And I’ll have a look around for temp sensor on the leak offs. I’ve tried reading codes again but nothing is coming up. Is it worth giving a squirt of brake cleaner to fire up or not worth it as the injectors won’t operate as there’s not enough pressure to...

Ok thanks for that, is it best to check voltages with a meter or see if it’s giving a reading on the live data (not sure if it does). I could be wrong but I’m sure the lp pump on the Jag produces between 0.5 and 1 bar of pressure

Yea should be about 300 bar running pressure, I think it’s about 150 bar to start it so well down. I’m guessing something is passing somewhere or something has failed electronically

There is fuel in the rail but not at the pressure I need, I’m not sure if it drops to 0psi as head was under bonnet while I was putting test but on. I’ll crack an injector pipe and see if it drops, as the lp pump stops running after about 10-20 seconds so what pressure is there should disappear

Hi all I’m come to this forum as getting no joy on the Jaguar forums, just usually being told to take to Jaguar independent. Anyway my issue is non starting. The engine is the 3.0d twin turbo model kicking out 275bhp A few weeks ago going into work cruising down motorway at 70 when engine fault...