Where is the o2 sensor located on a 1991 honda accord ex 2.2 engine

Look behind the engine, almost directly under the engine air intake unit, to locate the vehicle speed sensor. Locate the sensor's 12 mm hex bolt. The bolt is slightly further back and towards the driver's side of the car, relative to the vehicle speed sensor connector.Jan 9, 2023

1998-2002 Honda Accord Vehicle Speed Sensor (Manual 2.3 ...

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Hi again Sharon:
On 1991 Honda Accord 2.2L FI 4cyl the Oxygen Sensor is located under hood, center, front engine area, mounted in exhaust manifold (Except EX model).




A special socket is used to remove the oxygen sensor. Note the slot cut into the side of the socket.

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follow the exhaust under neath the car. its located just behind the transmission on the top side of exhaust pipe

For 1992 Honda Accord 2.2L FI 4cyl the Oxygen Sensor is located:
DX, LX model
Under hood, center, front engine area, mounted in exhaust manifold

EX model
Under hood, center, lower engine area, driver side rear of engine, mounted in exhaust pipe

Hope helps (remember to rate this answer).

1991 Honda Accord 2.2L FI 4cyl
The Oxygen Sensor is located under hood, driver side, rear engine area, below exhaust manifold flange, mounted in exhaust pipe.
Application: EX model

Good luck.

Look at both cylinder heads the one closes to the front of the motor is bank one, the location of sensor two will be the one after the Catalytic converter,Hope this was very helpful.

the ex, lx, dx model are located on the exhaust manifold
the exr, special edition models are located on the down pipe by
the flex pipe

The o2 sensors because the car may have more than one, are located before the catalic converter, they look like spark plugs with 3 or more cables running from the top, scan the car to check for other codes.

most o2 sensors are located in the exhaust pipe at the cat con

change your fast idle thermo valve