ITEC- 4ZD1 F2:TROUBLE CODE TABLE
| Trouble Code | Information Sensor Cause of Fault | Data List No. | Trouble Code Storage when |
|---|---|---|---|
| 53 | FUEL PRESS. CTRL. VALVE DRIVER ERROR | 12 | · Fuel pressure control valve ON |
· Fuel pressure valve voltage high (driver transistor in ECM open)
Replacement values:
· No replacement values
Effects:
· Air/fuel ratio tends to be rich at idle or partial conditions before warmed up
· Air/fuel ratio tends to be lean at hot restart
· If the engine is cold, fuel consumption will be worse.
| · If the coolant temperature is very high, the engine cannot be restarted smoothly. |