P0150

O2 Sensor Circuit Bank 2 Sensor 1

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$33–111 (est.)

Symptoms

Increased fuel consumption
Unstable engine operation
Power Loss
Check Engine Light Is On

Causes

Oxygen sensor malfunction
Open or short circuit in wiring harness
Poor contact in the sensor connector
Problems with power or circuit ground
Leaks in the intake or exhaust system

How to Fix

Check the integrity of the wiring harness and sensor connector
Check the power and ground of the sensor circuit
Check the resistance and signal of the oxygen sensor
Replace the oxygen sensor if necessary
Check the system for air leaks

Related codes

P0130 P0131 P0132 P0133 P0134