p0017 Peugeot | What It Means & How to Fix

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Vehicle engine and/or automatic transmission

Code: P0017 - The crankshaft and camshaft (parts controlling engine timing) are not properly synchronized, which can affect engine performance.

The P0017 error indicates a mismatch between the crankshaft and camshaft position sensor data on the Peugeot 208, 308, 3008, 508, Partner, Expert, and other models. This means that the engine control unit (ECU) detects incorrect alignment of the shafts, which can be caused by mechanical faults or sensor malfunctions.

Possible Causes and Symptoms of DTC P0017 on Peugeot

The main causes of this error are timing belt (or chain) stretch or wear, incorrect valve timing, contamination or failure of the camshaft position sensor (CMP), malfunction of the crankshaft position sensor (CKP), or wiring issues with these components. In some cases, the cause may be clogging or failure of the variable valve timing (VVT) electromagnetic valve.

A vehicle with this error may experience a loss of power, slower acceleration, unstable idling, and in some cases, may not start at all. Additionally, the "Check Engine" light will appear on the dashboard.

How to Fix P0017 Error on Peugeot?

The first step is to check the CMP sensor, as its contamination or malfunction often leads to this error. If the sensor is functioning properly, inspect the timing belt (or chain) - if it is stretched or worn, it should be replaced and the timing phases correctly set. It is also important to verify the condition of the crankshaft position sensor, as incorrect signals from it can confuse the engine control unit.

Additionally, check the wiring, as damaged contacts or a broken circuit can cause unstable sensor readings. If the issue is related to the phase regulator, cleaning or replacing the electromagnetic valve may be required.

Conclusion

The P0017 error indicates a misalignment between the camshaft and crankshaft timing. If not addressed promptly, this can lead to severe engine damage, possibly requiring a major repair. The most common causes are issues with the timing system, faulty sensors, or failures in the phase control system. It is recommended not to delay diagnostics and, if necessary, consult a specialist.

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