THANKS GUY,
LAST WEEK I CHANGED BOTH PUMP AND FUELFILTER-REGULATOR SO NOW I MA SURE THAT THE PRESSURE IS oK.
I WILL CHECK THE PUMP RELAY WHEN I WILL FIND IT BECAUSE THE PUMP I WORKING BUT DOES A STRANGE NOISE INTERMITTENTLY..........
PUMP AND FILTERA RE NEW AND MB SPARE PARTS.
CAR IS RUNNING WELL I MA JUST AFRAID THAT SHE WILL BURN ONE OTHER PUMP MAY BE FOR SUKHING AIR????
DO YOU SUGGENST ME SOME TEST TO DO?
CHEERS
ALBERTO