o2 sensor heater repair

Question

how to repair, where to get parts, recommend reliable inexpensive shop to get vehicle to pass smog test vehicle passes emissions but has service engine light

Answer 1

There is no fuse for the heater circuit for the 02 sensor, what you would have to do is test the heater circuit of the 02 sensor,, if the voltage is there with key on engine not running you would need a 02 sensor