Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
To diagnose the P2181 Porsche code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.
This fault is stored if the engine is not heated from below 40 °C (104 °F) to over 60 °C (140 °F) after throughput of a defined mass air flow.
This indicates that the thermostat may be stuck in open position.
An unchanged temperature signal may also be caused by a faulty sensor, however. Check the fault memory entry.
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