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where is the O2 sensor on a 2002 chevy trailblazer
Remove the vacuum hose from the O2 sensor. Remove the wiring harness. Remove the O2 sensor retaining screws. Reverse the process to install the new O2 sensor.
The 2002 Chevy Cavalier 02 sensor can be found attached to the air cleaner housing. The O2 sensor will be on the back side of the air cleaner housing.
Mitsubishi Galant, 2002, 4-cyl, O2 sensor, bank 1 sensor 1 (upstream)... PART NUMBER: MR506364
with your hands and some tools
Installing an o2 is very easy. Remove the neg. battery cable. Then disconnect the o2 power connector. Feed the wire through the box end of wrench. Finally, unscrew the o2 sensor.
Good Chance this is caused by a faulty O2 Sensor. I had the engine light stuck on in my 2002 Montana and replaced rear O2 sensor and it turned it off.
It has both an up and a down stream oxygen sensor.
No, the O2 sensors are out of the "loop" until the engine warms up.
Get a nut that fits the threads on the O2 sensor, or cut the socket out of the old header and drill a hole in the new header in about the same place as the old one, weld the nut or socket over the hole and attach the O2 sensor.
Remove the vacuum hose from the sensor. Remove the sensor retaining screws. The sensor will come off. Reverse the process to install the new sensor.
Yes.