P1024

P1024

Diagnostic information - DME (DFI)

Fuel high pressure too high after engine off

NOTE: After the engine is shut off, the diagnostics detects if the fuel high pressure does not decrease or decreases too slowly.

Diagnostic conditions
- Battery positive voltage more than 9 V
- Engine start detected more than 5 sec.
- Engine temperature -10 °C ... +100 °C (14 °F ... 212 °F)
- Shut engine off and wait 10 sec.

Possible fault causes
- Loose contact or corrosion on connectors or lines - Fuel high-pressure sensor
- Quantity control valve in the fuel high pressure pump faulty