P2572

Direct Ozone Reduction Catalyst Deterioration Sensor Circuit

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$28–89 (est.)

Symptoms

Check Engine light comes on
Increased fuel consumption
Reduced engine power
Unstable engine idling
Increased level of harmful emissions

Causes

Open or short circuit in the sensor circuit
Malfunction of the catalyst sensor itself
Poor contact in the sensor connector
Wiring harness damage
Problems with the engine ECU

How to Fix

Check the integrity of the sensor circuit
Inspect connectors and contacts for oxidation
Check sensor resistance
Replace sensor if necessary
Scan the system for other errors

Related codes

P0420 P0430 P2571