P013E

O2 Sensor Delayed Response - Rich to Lean Bank 1 Sensor 2

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$33–111 (est.)

Symptoms

Unstable engine operation
Increased fuel consumption
Deterioration in dynamics
Check Engine Light Is On

Causes

Worn oxygen sensor
Sensor contamination
Poor contact in the sensor circuit
Open/short circuit in wiring harness
Low catalytic converter
Leaks in the exhaust system

How to Fix

Check the status of the O2 sensor Bank 1 Sensor 2
Check the power supply and signal circuit of the sensor
Clean or replace sensor if necessary
Check the exhaust system for leaks
Check the condition of the catalytic converter

Related codes

P0135 P0141 P015E