P03CA

Cylinder 6 Pressure Sensor Circuit High

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Unstable engine operation
Power reduction
Increased fuel consumption
Check Engine Light Illuminates

Causes

Cylinder 6 pressure sensor malfunction
Open or short circuit in the sensor circuit
Wiring Harness Problems
Engine control unit (ECU) malfunction

How to Fix

Check the continuity of the pressure sensor circuit
Test the resistance and power supply of the sensor
Inspect connectors and wiring harness for damage
If necessary, replace the pressure sensor
Check connection to control unit

Related codes

P03C9 P03CB P0306