P00D5

HO2S Sensor Correlation Bank 1 Sensor 1/Bank 1 Sensor 2

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

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

Causes

Bank 1 Sensor 1 Oxygen Sensor Malfunction
Bank 1 Sensor 2 Oxygen Sensor Malfunction
Damage to the sensor wiring harness
Malfunction of the catalytic converter
Leaks in the exhaust system

How to Fix

Check oxygen sensor readings using a diagnostic scanner
Inspect the wiring harness and sensor connectors for damage.
Check the catalytic converter for blockage or damage.
If necessary, replace the faulty oxygen sensor
Clear the error code and check if it returns

Related codes

P0135 P0141 P0420