P2630

O2 Sensor Pumping Current Trim Circuit Low Bank 2 Sensor 1

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$22–67 (est.)

Symptoms

Increased fuel consumption
Unstable engine operation
Check Engine light comes on
Reduced engine power
Increased level of harmful emissions

Causes

Bank 2 Sensor 1 Oxygen Sensor Malfunction
Open or short circuit in the sensor circuit
Poor contact in the sensor connector
ECU malfunction
Wiring harness damage

How to Fix

Check the continuity of the oxygen sensor circuit
Inspect connectors for corrosion or damage
Replace Bank 2 Sensor 1 oxygen sensor if necessary
Check and replace wiring harness if necessary
Diagnostics and possible replacement of the ECU

Related codes

P2631 P2632 P2633