P0135 Saturn -

Question

Is this ho2s found on the muffler?
Because I recently repaired my muffler,and the o2 sensor was /is broken. Is this why I am getting this message on the dash?

Answer 1

HI there

There are two O2 sensors, one before the catalytic converter and one after. Neither of these is on the muffler.

P0135 SATURN - HO2S Heater Performance Bank 1 Sensor 1

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