Diagnosis conditions

• Start-up ended.
• Speed = 0 km/h
• Throttle valve in idle position
• Engine temperature > 60 °C
• Intake air temperature > -10 °C
• No fuel tank ventilation or tank ventilation diagnosis
• Altitude correction factor > 0.75
• No faults in speed signal, throttle position sensor, engine temperature, EVAP canister purge valve or tank ventilation system

A fault is detected and stored in the memory after 15 sec. if the engine speed is too high by 200 RPM or too low by 100 RPM.

Fig 1: DTC P0506 & P0507 Fault Conditions

Courtesy of PORSCHE OF NORTH AMERICA, INC.