Monitor Description
If fuel pressure keeps decreasing even after the ECM has commanded the high pressure fuel pump to close the spill control valve, the DTC is displayed.
MONITOR STRATEGY
| Related DTCs | P0087: High pressure fuel system monitor functional check (Pressure too low) |
| Required Sensors/Components (Main) | Fuel pressure sensor |
| Required Sensors/Components (Related) | - |
| Frequency of Operation | Continuous |
| Duration | 10 seconds |
| MIL Operation | Immediately after |
| Sequence of Operation | None |
TYPICAL ENABLING CONDITIONS
| Elapsed time after starting the engine | 10 seconds or more |
| Time elapsed after fuel cutoff | More than 2 seconds |
| Target fuel pressure variation 64 msec | 2.4 MPa {24.5 kgf/cm2 , 350 psig} or less |
| Direct injection ratio | More than 0 % |
TYPICAL MALFUNCTION THRESHOLDS
| Actual fuel pressure - target fuel pressure | Less than -3.5 MPa {-35.7 kgf/cm2 , -510 psig} |