Severity: 🟡 Medium — diagnose within a week
O2 sensor heater element has failed — sensor takes too long to warm up.
Replace O2 sensor, check heater circuit fuse and wiring.
What does P0135 mean?
P0135 (O2 Sensor Heater Circuit (Bank 1 Sensor 1)) means O2 sensor heater element has failed — sensor takes too long to warm up. Common symptoms include cold-start rough running, slightly higher fuel use, mil on.
How much does P0135 repair cost in Hyderabad?
At GarageNation Hyderabad, we diagnose P0135 with dealer-grade scan tools and provide a fixed quote before any work begins. Call +91 8106316369 for an estimate.
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