andyfreelandy said:

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.

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andyfreelandy said:

Yes that is the one.

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

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andyfreelandy said:

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 390 -425 kpa.

So 275 is very low.

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andyfreelandy said:

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.

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andyfreelandy said:

Worth a read. This one turned out to be the LP sensor itself.

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andyfreelandy said:

ok. good.

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

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