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DTC Description

DTC DETECTION LOGIC

DTC No.	CONSULT screen terms (Trouble diagnosis content)	DTC detecting condition
P0088	HIGH FUEL PRES (High fuel pressure too high)	Fuel rail pressure remains at more than 16.5 MPa (168.3 kg/cm2, 2392.5 psi) for 1 second or more during engine idle condition after cold start [water temperature -12°C (10.4°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 (27.5 kg/cm2, 392 psi) or more.

POSSIBLE CAUSE

Harness or connectors (The high pressure fuel pump circuit is open or shorted.)
High pressure fuel pump

FAIL-SAFE

Fail safe mode	Vehicle behavior
Traveling control mode	ECM controls the accelerator pedal depression speed to make it slower than actual speed. This causes a drop in accelerating performance and encourages the driver to repair malfunction. NOTE: ECM does not control the accelerator pedal releasing speed.
Device fix mode	Fixes electric intake valve timing control motor in the reference position. Fixes exhaust valve timing control solenoid valve in the reference position.
Combustion control mode	No stratified charge combustion at starting (cold start).

Fail safe mode	Vehicle behavior
Traveling control mode	ECM controls the accelerator pedal depression speed to make it slower than actual speed. This causes a drop in accelerating performance and encourages the driver to repair malfunction. NOTE: ECM does not control the accelerator pedal releasing speed.
Combustion control mode	No stratified charge combustion at starting (cold start).