P0145

O2 Sensor Circuit Slow Response Bank 1 Sensor 3

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Increased fuel consumption
Unstable engine operation at idle
Check engine light comes on

Causes

Faulty oxygen sensor
Wiring harness damage
Poor contact in the sensor connector
Sensor contamination
Problems with power or grounding of the sensor circuit

How to Fix

Check the condition of the oxygen sensor (Visual inspection for damage)
Check the integrity of the wiring harness and contacts in the connector
Check the supply voltage and grounding of the sensor circuit
Replace the oxygen sensor if it is faulty

Related codes

P0135 P0141 P0171 P0174