Question

Where is the heated oxygen sensor located on a 1996 Honda Civic DX?

Answer 1

HI there

This code is pointing to a problem with the bank 1 sensor 1. This sensor is normally located in the exhaust manifold and is the O2 sensor BEFORE the catalytic converter.

P0135 HONDA - O2 Sensor Heater Circuit Malfunction Bank 1 Sensor 1
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