P03C9

Cylinder 6 Pressure Sensor Circuit Low

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 Illuminates

Causes

Malfunction of the pressure sensor in cylinder 6
Open or short circuit in wiring harness
Poor contact in the sensor connector
Problems with the engine ECU

How to Fix

Check the integrity of the sensor wiring harness
Check the contacts in the sensor connector
Check the resistance of the pressure sensor
Replace pressure sensor if necessary
Reset the error and check engine operation

Related codes

P03C8 P03CA P0306