Fuel Rail Pressure Malfunction Positive Deviation At Engine Speed to High

Test 1 - 3:

Test 4 - 7:

Test 8 - 11:

Test 12 - 15:

SYMPTOM
P1187-FUEL RAIL PRESSURE MALFUNCTION POSITIVE DEVIATION AT ENGINE SPEED TO HIGH

TEST NOTE
This symptom is diagnosed using the test P1187-FUEL RAIL PRESSURE MALFUNCTION ACTUATOR STICKING.

POSSIBLE CAUSES
- Air in fuel system
- Checking for other DTC's
- Checking the fuel delivery system
- Checking the fuel delivery system
- Fuel injector control circuit shorted to ground
- Fuel injector(s)
- Fuel pressure solenoid
- Fuel pressure solenoid
- Fuel pressure solenoid
- Fuel pump
- Fuel pump
- Fuel system contamination
- Fuel system leak
- Injector common driver circuit open
- Intermittent condition