Where is the fuel return module on a Jeep Liberty?
This module is located on the bottom of the fuel tank. A fuel return system is provided within the fuel pump module using check valves. A separate fuel return line from the engine to the tank is not used. The fuel pressure regulator and the main fuel filter are not combined. They are separate items.
How to replace fuel pressure regulator in Jeep Cherokee?
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How does the fuel pressure solenoid work on a jeep?
In a DE-energized state, the fuel pressure solenoid is closed. During starting the fuel pressure solenoid is held closed by magnetic force. When checking the fuel pressure solenoid there should be no fuel coming out the return during cranking, and it should hold 870-1450 psi when unplugged during cranking.
Where is the flow management valve on a Jeep Liberty?
6. SPECIAL TOOLS FUEL SYSTEM FLOW MANAGEMENT VALVE DESCRIPTION The flow management valve is a part of the ORVR system. This plastic valve is placed inline between the fuel tank vent fitting and the EVAP canister. It is located on top of the fuel tank (Fig. 1).
This module is located on the bottom of the fuel tank. A fuel return system is provided within the fuel pump module using check valves. A separate fuel return line from the engine to the tank is not used. The fuel pressure regulator and the main fuel filter are not combined. They are separate items.
Where to test the PCM on a Jeep Wrangler?
3-Test for reference voltage (5v) coming out of the PCM at pin 17 ( orange wire) at the black connector and pin 31 (violet/orange wire) at the white connector. If the power input leads and grounds are good, but nothing is coming out of the two reference leads, then the PCM is smoked. Period.
How does a fuel injector work on a Jeep Liberty?
(6) Unplug connector from any fuel injector. (7) Attach one end of a jumper wire with alligator clips (18 gauge or smaller) to either injector terminal. (8) Connect other end of jumper wire to positive side of battery. (9) Connect one end of a second jumper wire to remaining injector terminal.
6. SPECIAL TOOLS FUEL SYSTEM FLOW MANAGEMENT VALVE DESCRIPTION The flow management valve is a part of the ORVR system. This plastic valve is placed inline between the fuel tank vent fitting and the EVAP canister. It is located on top of the fuel tank (Fig. 1).