How to change o2 sensor

Asked by Jul 24, 2013 at 08:51 AM about the 1989 Toyota Corolla GTS Coupe

Question type: Maintenance & Repair

Where is it located and how to
change it like what do I need

2 Answers

1989 Corolla ..1.6L there are two of them, upstream and downstream, one before the catalytic convertor and one past it. They are both in the exhaust stream in other words.

1 out of 1 people think this is helpful.

www.youtube.com/watch?v=p6fXdDwxNNE www.youtube.com/watch?v=dg_S8fbtU00 .....and this is the other one. It takes a big wrench: 7/8" or 23mm .....big Crescent maybe but it's going to be tight. VERY much so so from the heat/cool so many times, try to use a good tool, if you round off the hex than pipe wrench, if it will fit in there

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