Fuel Pressure/Leakdown Testing Activity

14. Remove fuel pump relay, start engine and run out of fuel. Disconnect fuel gauge and fuel shutoff adapters. Reconnect fuel lines to fuel rail.(See the note in step 4) Recap fuel pressure test port on the fuel rail. Reinstall fuel pump relay and start engine. Check and ensure that there are no fuel leaks.

Special Service Tools

•Tools are supplied by Volvo Penta, Kent Moore, or other suppliers

•Kent Moore tools are listed in the Workshop Manuals

•Identified by “J-“numbers

•Order direct from Kent Moore: 1 800 345-2233

•DIACOM and other MEFI tools are supplied by Rinda Technologies:

Special Service Tools

•Late model fuel modules lack the Schrader valve for checking fuel pressure at the high pressure line at the fuel pump. A new service tool, VPA# 3861684 has been released so that high side fuel pressure can be checked at the pump.

•The 8.1L and IAFM fuel rails have an automotive Schrader valve configuration.

•Volvo Fuel Pressure Gauge Kit 3855533 with adapter VPA #3862357, required for 8.1L and all IAFM

•See EFI Diagnostic Workshop Manual for standard EFI tools.

•See Engine Mechanical Workshop Manual on new tools for engine assembly and disassembly.