2010 Porsche Panamera Turbo (970) V8-4.8L Turbo A L L Diagnostic Trouble Codes ( DTC ): P Code Charts Page 712
Diagnosis information - Control unit DME (DFI)
Oxygen sensor behind catalytic converter Bank 2 - Signal too lean / too rich
NOTE:
Separated plug connection = open reference-air duct.
Damage to oxygen sensor.
- DO NOT use spray, grease, fluid or similar products on the oxygen sensor plug connections.
INFORMATION
- Do not interchange the oxygen sensor in front of the catalytic converter with the sensor behind the catalytic converter as this will result in
implausible fault entries.
- The plugs themselves are coded and cannot be interchanged.
Diagnostic conditions
- Perform all short tests in sequence (without Tank tightness).
or
- steady driving > 20 Minute(s), at:
- approx. 80 km/h
- in the highest gear
- Lambda control (Behind catalytic converter) Active
Possible fault causes
- Exhaust system leaks between Oxygen sensor in front of catalytic converter and Oxygen sensor behind catalytic converter Bank 2
- Short circuit to B+/ground/between lines or open circuit in the lines
- Oxygen sensor behind catalytic converter Bank 2 Faulty
Fault setting condition(s)
- The oxygen sensor signal deviates by a certain value from the control value (rich/lean mixture) within a certain time.
P2294
P2294
Diagnosis information - Control unit DME (DFI)
Final stage Quantity control valve
Diagnostic conditions
- Ignition on > 5 Second(s)
Possible fault causes
- Loose contact or corrosion on connectors or lines
- Short circuit to B+/ground/between lines or open circuit in the lines
- Quantity control valve Faulty (in Fuel high-pressure pump)
P2295
P2295
Diagnosis information - Control unit DME (DFI)
Final stage Quantity control valve
Diagnostic conditions
- Ignition on > 5 Second(s)
Possible fault causes
- Loose contact or corrosion on connectors or lines
- Short circuit to B+/ground/between lines or open circuit in the lines
- Quantity control valve Faulty (in Fuel high-pressure pump)
P2296
P2296
Diagnosis information - Control unit DME (DFI)
Final stage Quantity control valve
