The PCM sets DTC P0087 when the rail pressure is lower than normal rail pressure.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Min error of rail pressure control | 1. Restricted fuel filter 2. Restricted fuel supply line 3. Damaged fuel pump assembly 4. Damaged fuel injection pump |
Enable Conditions |
•
3 sec after engine start | |
Threshold Value |
•
Difference of Target Rail Pressure and Real Rail pressure greater than 1.3 MPa(13 bar/188.54 psi) | |
Diagnostic Time |
•
5 sec. | |
Mil On Condition |
•
2 driving cycles |
