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I have a 2002 kangoo 1.5 dci. it starts fine and runs but every time I accelerate or put the engin under load I get 3 warning lights on the dash. they clear once i take my foot of the pedal. Ive cheaked it with snap on and it stored: rail pressure regulator high flow current below minimum, and rail pressure regulator above maximum. any ideas please before i spend a fortune with a specialist???
 

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If your handy with a multimeter theres a few checks
you can do fuel rail pressure sensor has 3 terminals
marked 1-2 -3 no 1 & earth key on 0.5v's. no 2 &
earth ign on 0v's Terminal 3 & earth ign on 5v's these
can be checked by back probing sensor plug. The fuel pressure regulator on high pressure pump has a
2 terminal plug at ign on plug disconnected must have a 12v feed which travels through regulator
coil to ecu pin no bm4. this valve resistance reading
should be approx 5.3 ohms. Iwould be inclined to do a
injector leak off test first Hth Regards Mickeybo
 
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