Suzuki o2 sensor

Asked by Afee720 Dec 29, 2019 at 04:28 AM about the 2008 Suzuki SX4

Question type: Maintenance & Repair

2008 Suzuki Sx4. 2L. 4 Cyl.
I need to replace oxygen Sensors .I'm just going to do both.
I know one is bad but I dont know which one. ( assuming
it's not a bad converter) .
I understand bank 1 and 2. And each one has 1 sensor and
2 sensor.
However I'm not sure what exactly to order if I'm replacing
them both . I understand sensor 1 and 2 is front and rear.
But does my car have bank 1 or 2 ? I was told I only have 2
oxygen sensors. But if each bank has 2 sensors doesn't
that mean I need 4 new ones ? Maybe I dont understand as
much as I thought ? Thank you.

I'm not sure what I'm ordering

2 Answers


It only has two O2 sensors, To check sensor function or not, you need to measure the resistance by ohm meter. HO2S-1(heated O2 sensor-1) normal around 5~6.4 ohm at 20°C HO2S-2 normal around 11.7~14.5 ohm at 20°C

3 people found this helpful.

Mine has what looks like 3 sensors. One near the engine, one after the first cat and one in the second ecat.

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