DTC Detection Logic
NOTE:
- If DTC P0087 or P0090 is displayed with DTC P1197, first perform the trouble diagnosis for DTC P1197.
- DTC P0087 or P0090 may be displayed when running out of gas.
DTC DETECTION LOGIC
| DTC No. | Trouble diagnosis name | DTC detecting condition | Possible cause |
|---|---|---|---|
| P0087 | High fuel pressure too low | The following condition continues for 5 seconds or more after engine start (regardless of water temperature): Target fuel pressure - Actual fuel pressure ≥ 2.7 MPa (27 bar, 27.5 kg/cm2 , 392 psi) |
|
| P0088 | high fuel pressure too high | The following condition continues for 5 seconds or more after engine start (regardless of water temperature):Actual fuel pressure - Target fuel pressure ≥ 2.7 MPa (27 bar, 27.5 kg/cm2 , 392 psi) | |
| P0090 | High pressure fuel pump performance | Fuel rail pressure remains at 1.5 MPa (15 bar, 15.3 kg/cm2 , 217.5 psi) or less for 3 seconds or more during engine rev. |