P03A1

Cylinder 2 Pressure Sensor Circuit Low

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Reduced engine power
Increased fuel consumption
Unstable idling
Check Engine Light Illuminates

Causes

Malfunction of the pressure sensor in cylinder 2
Open or short circuit in wiring harness
Poor contact in the sensor connector
Engine control unit (ECU) malfunction

How to Fix

Check the integrity of the sensor wiring harness
Check the contacts in the sensor connector
Replace pressure sensor in cylinder 2 if necessary
Check the operation of the engine control unit (ECU)

Related codes

P03A0 P03A2 P0302