You broke it ! Not uncommon apparently. My Sport TD4 passed MOT today with no advisories ! Treated it to some fuel and a clean beforehand.

Wow. Just wow 👌

The hp sensor is on the end of the injector fuel rail. Near the battery but on the end of the pipe work. I mean to check that the 3 wires in the plug on the sensor are actually connected to the ecu and are not bad resistance, so partly broken or...

HP pressure check again ??? The LP is certainly fine now. HP loom is evidently a weakness.

So you have the correct pressure now. Looks like the sensor is responding OK and shows higher pressure. Only other thing I can think of is a bad wire to the hp sensor. There is a replacement loom but you can check the resistance from sensor back...

Giving the Sport TD4 a once over before MOT. All looks fine underneath. Oil leak is fixed. But, looked at the bolts holding the wheel arch fuel pump in. I thought, bet they'd never unscrew. I was right. One freed with wd40, one turned and the...

Take a phone and a breakdown phone number. 😁

Worth repeating the lp sensor voltage tests to see if it is telling the truth now the pressure is correct.

That's really annoying. Did you clean the connections on the hp fuel rail pressure sensor and the lp one?

@pendragon374 any help ?? Sorted it yet?

Align the mark on the slider to the cog centre point. See photo. Also to elecrically align the positions. After fitting, drop motor, manually wind until fully tilted, then operate switch until motor stops. Install motor. So one press and hold...

My experience is working original stat when up to temp is halfway, so vertical. Stat stuck open is about 1/4. Stat mod puts it back to 1/2.

In UK about same price as pump. Comes with pipes and bits you don't need !! Hope pump resolves issue. Good luck

Part is WKW 000081 and is complete with pipe. I'd put my money on the pump but obviously it is your money and your call !!

should be 5V at PIN 1, PIN 2 should be 0V, and PIN 3 at idle should be approximately 4.3V, and when the low fuel line pressure increases the voltage output should increase from 4.3V to just under 5V So yours is reading low pressure which we...

It is explained in the attachment. You need to measure voltage on the pins with the sensor plugged into the wiring loom.

PM'd

Worth a read. This one turned out to be the LP sensor itself. https://www.electriciansforums.net/threads/land-rover-p1260-fault-code-fix-freelander-td4-bmw-installation.113383/#gsc.tab=0

ok. good. Best wishes to Romania. I stayed in Brasov many years ago. Also Transylvanian mountains. Doing charity work.

Also, thinking of other possible causes. There is a fuel filter in the tank unit with the fuel gauge sender. Access under rear seat and carpet.

Before you buy the pump. It is worth unplugging the hp sensor on the end of the fuel rail and the lp sensor which is down near the steering rack behind the battery. Spray clean the connectors and try one more time My TD4 has a lp pressure of...

Yes that is the one. They are hard to find in UK. Where are you and what price is it please ?

LP fuel pressure is dropping low. 276 is too low. Would.expect 320 minimum. Not sure what pressure it cuts the HP pump to protect it but LP fuel pump would be my next replacement. Get a good make. PIERBURG if you can get one.

Don't you believe it, first sunshine and the hose pipe police fire up their squirter scooters.

Record low and high pressure and see if the high stops increasing at any point when eml goes on.

Low pressure fuel readings are low. Would expect 320 as a minimum. My best idea is either a clogged low-pressure fuel filter or a failing low-pressure pump. Both items are in right hand side rear wheel arch. Wait and see if anyone else...

But hey, it gave you the drivers side!! That'll be the wiper linkage has let go with a worn ball housing. Two options. Buy new rods with ball housing. Or buy fix it clips to hold the old one together. Either works well and solves problem...

But the gearbox feed isn't changing so the immobiliser ecu won't do either. Check you have both sides of the gearbox inhibit switch wired OK. Looks like one side is ground and the other to the immobiliser ecu.

You need to check fuel pressure around the time the fault occurs. Exact is not essential !! Get low and high-pressure fuel pressure and inlet manifold pressure.

The data you give looks as if it is just idling. You need fuel pressure readings when the fault happens at high throttle settings.