P2293

P2293

Diagnosis information - DME V6 DFI

Fuel high-pressure

NOTE: Diagnosis detects a deviation between required and actual values in fuel high-pressure activation.

Diagnostic conditions
- Battery positive voltage 10 V... 16 V
- Engine start recognized > 5 sec.
- Engine temperature - 10 °C ...+ 100 °C (50 °F... 212 °F)
- Drive with different load and speed ranges

Possible fault causes
- Predelivery quantity or pressure in fuel low-pressure circuit too low
- Pressure-relief valve in high-pressure circuit faulty
- Fuel high-pressure sensor faulty
- Quantity control valve faulty (in fuel high-pressure pump)
- Fuel high-pressure pump faulty
- High-pressure injector(s) (fuel injector(s)) faulty