LD. Engine Runs Rough Under Load

LD1

Checking The Fuel Pressure And Residual Pressure




-Check the fuel pressure and residual pressure. Fuel Pressure

-Check the hoses for air leaks.

If the fuel pressure, residual pressure and hoses are OK

-Connect the test box LD2.

LD2

Connecting The Test Box




-Connect the test box. Pin Out Test with Volvo Test Box

-Check all signals to MFI LH 2.4 or LH 3.1 in accordance with PB. Signal description MFI LH 2.4 or LH 3.1 as well as all to DI EZ 116 K in accordance with PC. Signal description DI EZ 116 K. Test Box, Signal Description