P03C1

Cylinder 5 Pressure Sensor Circuit Intermittent/Erratic

Severity

⚠️ Medium

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 comes on

Causes

Damage to the sensor wiring harness
Malfunction of the cylinder pressure sensor
Corrosion or poor contact in connectors
Engine control module (ECU) malfunction

How to Fix

Check the integrity of the sensor wiring harness
Check sensor connectors for corrosion and tight connections.
Replace cylinder pressure sensor if necessary
Check the operation of the engine control module (ECU)

Related codes

P03C0 P03C2 P03C3