Severity: 🟠 High — diagnose within 1–2 days
Upstream O2 sensor not switching at all — open circuit or heater failure.
Check O2 heater circuit, replace sensor.
What does P0134 mean?
P0134 (O2 Sensor No Activity (Bank 1 Sensor 1)) means Upstream O2 sensor not switching at all — open circuit or heater failure. Common symptoms include poor fuel economy, open-loop fuelling, failed emissions.
How much does P0134 repair cost in Hyderabad?
At GarageNation Hyderabad, we diagnose P0134 with dealer-grade scan tools and provide a fixed quote before any work begins. Call +91 8106316369 for an estimate.
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