199002393 - P0090 Fuel press. (high press. pump input regulat.) (90 CV)

The error is recognized if the supercharging pressure measured is more than or equal to 1750 bar

		Test results
1	SUPERCHARGING SENSOR CIRCUIT CHECK	All OK	Problems encountered	Operation
	Check that the supercharging sensor is working properly by carrying out the    See Test 1060GF SUPERCHARGING PRESSURE CHECK	Move on to Step 2	-	-
2	PRESSURE REGULATOR CHECK	All OK	Problems encountered	Operation
	Check that the pressure regulator on the rail is working properly by carrying out the    See Test 1060GR CHECK OPERATION OF FUEL PRESSURE SENSOR ON RAIL	End of diagnosis	-	-