Dakota 4WD V8-4.7L (2009)
Fuel Pressure Release: Service and Repair
FUEL SYSTEM PRESSURE RELEASE
Use the following procedure if the fuel injector rail is, or is not equipped with a fuel pressure test port.
1. Remove the fuel fill cap.
2. Remove the fuel pump relay from the Integrated Power Module (IPM). For relay location, refer to the label on the underside of the IPM cover.
3. Start and run the engine until it stalls.
4. Attempt restarting engine until it will no longer run.
5. Turn the ignition key to the OFF position.
6. Place a rag or towel below the fuel line quick-connect fitting at the fuel rail.
7. Disconnect the quick-connect fitting at the fuel rail See: Fuel Delivery and Air Induction/Fuel Line Coupler/Service and Repair
8. Return the fuel pump relay to the IPM.
NOTE: One or more Diagnostic Trouble Codes (DTC's) may have been stored in the PCM memory due to the fuel pump relay removal. A
diagnostic scan tool must be used to erase a DTC.
