ECM shows P0087 when the rail pressure is lower than the target rail pressure.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Rationality check | 1. Overflow of fuel return 2. Sticking by low pressure of fuel pressure sensor |
Enable Conditions |
•
2 minutes later after engine start | |
Threshold Value |
•
Difference between actual value and target is higher than 1.5 Mpa | |
Diagnostic Time |
•
3 sec. | |
MIL ON Condition |
•
2 driving cycle |
