P0136 Fault Code — O2 Sensor Circuit (Bank 1 Sensor 2)

Severity: 🟡 Medium — diagnose within a week

Downstream (post-cat) O2 sensor circuit fault.

Common Symptoms

Common Causes

How We Fix It

Replace downstream O2 sensor, repair wiring.

Frequently Asked Questions

What does P0136 mean?

P0136 (O2 Sensor Circuit (Bank 1 Sensor 2)) means Downstream (post-cat) O2 sensor circuit fault. Common symptoms include check engine light, poor fuel economy, catalyst monitoring failure.

How much does P0136 repair cost in Hyderabad?

At GarageNation Hyderabad, we diagnose P0136 with dealer-grade scan tools and provide a fixed quote before any work begins. Call +91 8106316369 for an estimate.

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