Error P0338 on Forthing все модели

Symptoms

• Difficulty starting the engine
• Floating speed
• Power dips
• Engine stalls at idle
• Check Engine Indication

Causes

• Open or short circuit in the DPKV circuit
• Failure of the sensor itself
• Problems with the wiring harness (oxidation of contacts, damaged insulation)
• Violation of the distance between the sensor and the drive disk
• Engine ECU malfunction
• Mechanical damage to the drive disk

How to Fix

1. Reset the error with a scanner and check for its reappearance
2. Visual inspection of the sensor and wiring for damage
3. Check the resistance and inductance of the sensor (with a multimeter/oscilloscope)
4. Check the gap between the sensor and the drive disk (0.5-1.5 mm depending on the model)
5. Carry out diagnostics of the sensor circuit (insulation resistance, open circuit)
6. Replace the sensor if a malfunction is detected
7. Clean/replace the connector if oxides are detected

FAQ

Error P0338 on other vehicles