DTC Detection Logic
NOTE:
If DTC P0088 is displayed with DTC P0090, first perform the trouble diagnosis for DTC P0090.
| DTC No. |
Trouble diagnosis name (Trouble diagnosis content) |
DTC detecting condition |
Possible cause |
| P0088 |
HIGH FUEL PRES (High fuel pressure too high) |
- Fuel rail pressure remains at more than 16.5 MPa (165 bar, 168.3 kg/cm2, 2392.5 psi) for 1 second or more during engine idle condition after cold start [water temperature 5°C (41°F) - 40°C (104°F)].
- 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)
|
- Harness or connector (The high pressure fuel pump circuit is open or shorted)
- High pressure fuel pump
|