P2414

O2 Sensor Exhaust Sample Error Bank 1 Sensor 1

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Check Engine light comes on
Increased fuel consumption
Deterioration in acceleration dynamics
Unstable engine operation at idle
Increased level of harmful emissions

Causes

Mechanical damage to the oxygen sensor
Sensor contamination (oil, carbon deposits)
Damage to the sensor electrical circuit
Sensor connector faulty
Exhaust system problems (leaks)

How to Fix

Check the condition of the oxygen sensor for damage
Clean the sensor from dirt (if possible)
Check the integrity of the electrical circuit and connector
Replace the oxygen sensor if necessary
Check the exhaust system for leaks

Related codes

P0130 P0131 P0132 P0133