Chevy Blazer
Chevy S-10
Chevy Blazer S-10

How do you repair 02 sensors on a Chevy Blazer?


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2011-09-14 10:44:30
2011-09-14 10:44:30

Crawl under your Blaze from the passenger side and look down your exhaust pipe. You will see a sensor sticking out. Make sure the exhaust pipe isn't hot. Unplug the sensor and remove. Do yourself a favor and use only an OEM replacement sensor. Be sure to buy and anti-seeze compound and apply a little to the threads before installing.

There is probably several O2 sensors my 1997 bravada has 4


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It has 4 and they are in the exhaust system.

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It don't have a fuse for the 02 sensors.

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Answerp0137 or p0147 if it's the heater circuit.

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A NAPA 1040 or the NAPA 1036 will do.

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look under you Chevy and locate the catalytic converter. Your 02 sensors are located before and after the catalytic converter on your muffler. See 1 or 2?

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