2010 Porsche Panamera Turbo (970) V8-4.8L Turbo A L L Diagnostic Trouble Codes ( DTC ): P Code Charts Page 413
Diagnosis information - Control unit DME (DFI)
Control deviation Boost pressure
Diagnostic conditions
- 3 X Full-throttle acceleration :
- 3rd gear (without Gear change)
- Engine speed between 1500 1/min and Max. engine speed
- then steady driving
Possible fault causes
- Leaks between Turbocharger (pressure-side) and Intake valve (Engine)
- Leaks between Diverter solenoid valve and Turbocharger or Engine
- Vacuum hose leaks to Frequency valve, boost control or Diverter solenoid valve
- Diverter solenoid valve not installed or installed incorrectly
- Diverter solenoid valve leaks or stuck
- Diverter valve not installed or installed incorrectly
- Diverter valve leaks or stuck
- Frequency valve, boost control electric or mechanical open blocked
- Wastegate Mechanical fault, leaks or open blocked
- Turbocharger (1 or 2) stiff or stuck
Fault setting condition(s)
- Boost pressure (measured) < Nominal value (dependent from Operating condition)
P0300
P0300
Diagnosis information - Control unit DME (DFI)
Misfires
Diagnostic conditions
- Engine temperature > -20 锟斤拷C (锟斤拷F)
- idle speed up to the red range on the tachometer
- without Overrun phase(s)
- none of the following faults stored: P0335, P0336, P0371, P0373
Possible fault causes
INFORMATION
See also Workshop Manual - 0 Entire vehicle - General - 08 Symptoms - 0820IN.
- Influence by engine-block heater
- Loose contact or corrosion on connectors or lines
- Power or ground supply faulty
- Spark plug(s) oiled due to oil entrainment in the cylinder
- Spark plug(s) incorrect
- Spark plug(s) Mechanical fault or Electrical fault
- Bar ignition module Faulty
- Power or ground supply faulty
- Fuel quality incorrect
- Fuel tank empty
- Water in the Fuel tank
- Fuel line soiled / Blocked
- Electric fuel pump Mechanical fault
- Fuel high-pressure pump Mechanical fault
- Injection valve Faulty or Borderline
(opens too late / not long enough / not enough or leaks)
- Oxygen sensor(s) Faulty
- Exhaust system Narrowed / Blocked
- Catalytic converter Faulty
- Intake distributor leaks
- Foreign bodies in the Intake distributor
- Fault Camshaft adjustment
- Timing incorrect - Exhaust camshaft
- Fault Valve lift control
