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How Do I Change an Oxygen Sensor on a 1997 Hyundai Accent GL

The 1997 Hyundai Accent oxygen sensor threads into the exhaust manifold beneath the heat deflector under the car. The O2 sensor regulates the fuel consumption of the engine based upon the oxygen saturation of the exhaust. If the gas mileage in your car has inexplicably decreased substantially and the check engine light is on, you may have a failing O2 sensor. Buy a replacement sensor at an auto parts store or Hyundai dealership.

Instructions

1

Raise the Accent with a jack. Rest the car on a set of jack stands.

2

Disconnect the wiring harness from the O2 sensor just beneath the exhaust manifold heat deflector.

3

Remove the bolts on the outer edge of the heat deflector with a socket and ratchet. Set the heat deflector and bolts aside in a safe location. Remove the O2 sensor with an O2 sensor socket and ratchet.

4

Install the new sensor by hand to avoid cross threading it. Tighten the sensor with an oxygen sensor socket and ratchet. Reconnect the wiring harness on the O2 sensor by pressing it into place.

5

Replace the heat deflector. Secure the deflector with the bolts and tighten the bolts with a socket and ratchet.

6

Raise the car slightly with a jack and remove the jack stands. Lower the car to the ground.

Posted by Unknown at 2:00 AM

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Labels: 1997, a, accent, an, change, do, gl, how, hyundai, i, on, oxygen, sensor