ECM/PCM shows P0087 when the rail pressure is lower than the target rail pressure.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Min error of rail pressure control | 1. Overflow of fuel return 2. Sticking by low pressure of fuel pressure sensor |
Enable Conditions |
•
3 sec. later after engine start | |
Threshold Value |
•
Target Rail Pressure - Real Rail pressure > 1.3 Mpa | |
Diagnosis Time |
•
- | |
Mil On Condition |
•
2 trips |
