DaimlerChrysler Jeep Grand Cherokee 2002, Service Manual

Page: 171 / 284

Symptom List:
P1130-FUEL RAIL PRESSURE MALFUNCTION ACTUATOR STICK-
ING
P1130-FUEL RAIL PRESSURE MALFUNCTION LEAKAGE DE-
TECTED
P1130-FUEL RAIL PRESSURE MALFUNCTION POSITIVE DEVIA-
TION
P1130-FUEL RAIL PRESSURE MALFUNCTION PRESSURE TOO
HIGH-SHUT OFF
P1130-FUEL RAIL PRESSURE MALFUNCTION PRESSURE TOO
LOW
P1130-FUEL RAIL PRESSURE MALFUNCTION SOLENOID OPEN
Test Note: All symptoms listed above are diagnosed using the same tests.
The title for the tests will be P1130-FUEL RAIL PRESSURE
MALFUNCTION ACTUATOR STICKING.
When Monitored and Set Condition:
P1130-FUEL RAIL PRESSURE MALFUNCTION ACTUATOR STICKING
When Monitored: With the engine speed above 730 rpm.
Set Condition: The fuel rail pressure sensor indicates fuel pressure above what the ECM
commanded.
P1130-FUEL RAIL PRESSURE MALFUNCTION LEAKAGE DETECTED
When Monitored: With the engine speed above 730 rpm.
Set Condition:
P1130-FUEL RAIL PRESSURE MALFUNCTION POSITIVE DEVIATION
When Monitored: With the engine speed above 730 rpm.
Set Condition: The ECM commands the fuel pressure solenoid and the fuel pressure
sensor indicates a fuel pressure reading less than what is expected by the ECM based on
the ECM command to the fuel pressure solenoid.
P1130-FUEL RAIL PRESSURE MALFUNCTION PRESSURE TOO HIGH-SHUT
OFF
When Monitored: With the engine speed above 730 rpm.
Set Condition: The fuel rail pressure sensor indicates fuel pressure above 21,000 PSI
with the engine off.
163
DRIVEABILITY - DIESEL
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