2010 Porsche Panamera Turbo (970) V8-4.8L Turbo A L L Diagnostic Trouble Codes ( DTC ): P Code Charts Page 565
- Switch on ignition or Engine start (Electric fuel pump activated)
Possible fault causes
- Loose contact or corrosion on connectors or lines
- Open circuit Leads Fuel pump control unit --> Electric fuel pump
- Open circuit Ground line Electric fuel pump
- Electric fuel pump Faulty
Fault effects
- Electric fuel pump switched off
- Activation and Test Electric fuel pump after 50 ... 150 millisecond(s)
P1286
P1286
Diagnosis information - Control unit DME (DFI)
Speed deviation
Diagnostic conditions
- Switch on ignition or Engine start (Electric fuel pump activated)
Possible fault causes
- Supply voltage Fuel pump control unit too low
- Loose contact or corrosion on connectors or lines
- Fuel line leaks
- Fuel line Blocked
- Foreign bodies in Electric fuel pump
- Electric fuel pump stiff
Fault setting condition(s)
- Deviation rpm Electric fuel pump from Setpoint rpm, at:
- Supply voltage Fuel pump control unit < 12.5 V
- Fuel counter-pressure too high
- Fuel counter-pressure too low
- Electric fuel pump stiff
Fault effects
- The controller attempts to bring the fuel pump to setpoint.
P1287
P1287
Diagnosis information - Control unit DME (DFI)
Electric fuel pump: brief failure
Diagnostic conditions
- Switch on ignition or Engine start (Electric fuel pump activated)
Possible fault causes
- Loose contact or corrosion on connectors or lines
Fault setting condition(s)
- Electric fuel pump failed, briefly while driving
Fault effects
- The Controller attempts to bring the fuel pump to setpoint.
P1324
P1324
Diagnosis information - Control unit DME (DFI)
Timing Bank 2
Diagnostic conditions
- Period since engine was started > 10 Second(s)
Possible fault causes
- Timing incorrect (Chain jump)
