P2A10

O2 Sensor Negative Voltage 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
Increased fuel consumption
Reduced engine power
Unstable engine operation at idle
Dips during acceleration

Causes

Oxygen sensor malfunction
Open or short circuit in the sensor circuit
Poor contact in the sensor connector
Sensor circuit grounding problems
Engine control unit malfunction

How to Fix

Check the integrity of the wiring to the sensor
Check connections and contacts in the sensor connector
Check the voltage and resistance in the sensor circuit
Replace a faulty oxygen sensor
Reset the error code and check the system operation

Related codes

P2A00 P2A01 P2A02 P2A03