P03BF

Cylinder 5 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 Loss
Increased fuel consumption
Misfires

Causes

Malfunction of the pressure sensor in cylinder 5
Open or short circuit in the sensor circuit
Poor contact in the sensor connector
Engine control module (ECU) malfunction

How to Fix

Check the integrity of the pressure sensor circuit (wiring, connectors)
Check the resistance and signal of the pressure sensor
Replace the pressure sensor if it is faulty
Check the power supply and ground on the sensor
Scan the ECU for additional errors

Related codes

P03A0 P03A1 P03A2 P03A3