P0393

Symptoms

• Unstable engine operation
• Power reduction
• Increased fuel consumption
• Difficulty starting the engine
• Check Engine light comes on

Causes

• Camshaft position sensor malfunction
• Damage to the wiring harness to the sensor
• Short circuit in the sensor circuit
• Problems with the sensor connector
• Engine control unit malfunction

How to Fix

1. Carry out diagnostics with a scanner to confirm the error.
2. Visually inspect the sensor and wiring harness for damage.
3. Check the connection and contacts of the sensor connector
4. Measure the resistance and voltage in the sensor circuit
5. If necessary, replace the sensor or repair the wiring harness
6. Clear the error and check if it comes back

Related codes

Error P0393 by Vehicle Brand