Google has been unhelpful in telling me what kind of sensor this is. Right behind the engine near the firewall in a 2010 honda crv ex-l. I saw some smoke coming off it and want to get it changed out.

I appreciate any help!!!

 

If that's the exhaust it's the O2 sensor?

 

it is an O2 sensor. 4 wires, which are for the heater and the sensor signal. Check for codes with an OBDII scanner before you change it.

 

It is an air/fuel ratio sensor or an O2 sensor upstream. It is in the exhaust stream. If you see smoke then try tightening a little if loose.

 

i just got a prius 10. Should i have gotten a CRV because i like crvs too





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