Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Lexus >> 2008 >> LS 600hL >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - DTC P0010 - P0116 >> DTC P0088: Fuel Rail / System Pressure - Too High >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

Fuel pressure sensor too high 

TYPICAL MALFUNCTION THRESHOLDS

Difference in fuel pressure between actual fuel pressure - target fuel pressure 3 MPa (30 6 kgf/cm2 , 435 psi) or more
Actual discharge rate of high pressure fuel pump 0 mm3 /st or less

Fuel relief valve close stuck 

TYPICAL MALFUNCTION THRESHOLDS

When the following condition is met 5 times
Difference of fuel pressure when valve close and open Less than 1 5 MPa (15 3 kgf/cm2 , 217 5 psi)