Diesel Data: Automotive Repair

P1491




P1491

EVAP Tank Pressure Sensor. Performance Problem and malfunctional fuel level sensor.







Fault symptoms
- CHECK ENGINE.
- Possible faulty reading on the fuel gauge in MIU.

On-Board Diagnostics

Type of diagnosis:
- Once per driving cycle. Interrupted when fault criteria fulfilled or OK reported.
Restarts next driving cycle.