P22C3

O2 Sensor Pumping Current Trim Circuit Low Bank 2 Sensor 2

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$28–89 (est.)

Symptoms

Check Engine light comes on
Deterioration in fuel consumption
Reduced engine power
Unstable operation at idle
Increased emissions

Causes

Bank 2 Sensor 2 oxygen sensor malfunction
Open or short circuit in the sensor circuit
Poor contact in the sensor connector
Corroded contacts or damaged wiring
Problems with the engine control unit

How to Fix

Check the status of the Bank 2 Sensor 2 oxygen sensor
Check the integrity of the circuit and connection
Clean sensor connector contacts
Replace sensor if necessary
Check the operation of the engine control unit

Related codes

P22C2 P22C4 P0036