no fuel delivery

[LaVoiture93]

Hi. do anyone can help in this situation? first: the car stop running after I gone shopping(3days ago). the car won't start but engine do. tow it back home. check fuel pump ok. check fuel pump relay not working. but, there is power coming to relay. shot terminal in relay connection for pump & it work. check power for relay get 12V. also relay itself for short circuit. check Main relay remove it. turn ON ignition, plug in relay feel clicking. maybe work OK don't know. also right driver side window not working, the other 3 works fine (window not working sense the car couldn't run in the same time 3 days ago???) check all fuses everything is OK. have this car for 4 yrs never had any trouble. now, I don't know. I have the Manual book I download from the net. I look through like a maniac & spend all weekend to found the problem. I still looking?
anyone who can help me would be much appreciated.

lavoiture93

[bme30]

When you turn the key to acc before you engage the starter do you hear the fuel pump prime?  You should hear a little noise from the rear passenger side.  If you dont hear anything.. Remove the seat.. Remove the plate... Give the fuel pump a few taps and try starting again.

The exact thing happened to me.. And that was the problem. Havent had an issue since.. But i did order a new fuel pump anyway

[DesktopDave]

I'd also clean & test the crank position sensor.  Pins 1&2 off the sensor should read about 640ohms.  Pins 1&3 and 2&3 should have very high readings, at least 100Kohms.  If you're using the Bentley manual for the M42 motor, it has the wrong specifications - 1280ohms for the cam sensor, 640 for the crank sensor.

We've found that the rust that tends to cover the sensor face at the crank pulley can shield the signal.  Without a good crank sensor signal, the computer will never trigger the fuel pump.

Also, be sure you don't run a resistance or continuity test on the wiring harness/chassis side of the engine wiring.  A multimeter can overload electronics like the computer or gauge cluster and permanently damage them.