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P1130-FUEL RAIL PRESSURE MALFUNCTION ACTUATOR STICKING —
Continued
TEST
3
Turn the ignition off.
Inspect the entire fuel system for leakage.
Is there any evidence of leakage?
Yes → Repair as necessary in accordance with the Service Information.
→ Go To 4
No
4
Turn the ignition off.
Disconnect the ECM harness connectors.
Disconnect all of the Fuel Injector harness connectors.
Measure the resistance between ground and each of the Fuel Injector Control
circuits.
Is the resistance below 1000 ohms for any of the measurements?
Yes → Repair the appropriate Fuel Injector Control circuit for a short to
→ Go To 5
No
5
Turn the ignition off.
Disconnect the ECM harness connectors.
Disconnect all of the Fuel Injector harness connectors.
Measure the resistance of the Common Injector Driver circuit between the ECM
harness connector and each Fuel Injector harness connector.
Is the resistance below 10.0 ohms for each measurement?
Yes → Go To 6
→ Repair the Injector Common Driver circuit for an open.
No
6
Refer to the appropriate Service Information and perform the Fuel Pressure Test.
NOTE: The following is a list of problems that can cause the fuel pressure to
become out of specification: restricted fuel filter or fuel lines, failed fuel
pressure solenoid, air in fuel system, failed fuel sending unit, gelled fuel,
faulty injector.
Is the fuel pressure within specification?
Yes → Replace the Fuel Pressure Sensor in accordance with the Service
→ Repair as necessary in accordance with the Service Information.
No
ACTION
Perform ROAD TEST VERIFICATION - VER-2.
ground.
Perform ROAD TEST VERIFICATION - VER-2.
Perform ROAD TEST VERIFICATION - VER-2.
Information.
Perform ROAD TEST VERIFICATION - VER-2.
Perform ROAD TEST VERIFICATION - VER-2.
DRIVEABILITY - DIESEL
165
APPLICABILITY
All
All
All
All
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