SOURCE: where is the o2 sensor located on a 1991 honda accord ex 2.2 engine
Further clarification on the O2 sensor location: It is in the exhaust pipe, under the center of the car, on top of the pipe, just aft of the oil filter.
SOURCE: enging vibrating at idle
1) It is very possible your engine mounts can be worn, but
2) the vibration you feel may be also due to the idle itself degrading to the point that the car is shaking. Does the engine sound like it is getting ready to die? what is the engine rpm when you feel the vibration? You may just have a dirty throttle body. In this case, clean the throttle body plate and bore and the problem will go away.
3) did the problem seem to come on suddenly or gradually, if gradually, you may just need some plugs and/or wires, and/or cap/ignition rotor, etc. (a tune up)
4) Also, do you only feel the vibration when the AC system is on?
5) there are some other reasons for abnormal engine vibration at idle, but the above are some of the most common, and simpler to repair.
All the best with the repair!
SOURCE: ac compressor clutch relay 1991 honda accord
Difficult to describe, but I will give it a try.
Inside the driver's side fender, close to the front of the car, there is a bracket that is held in place by one bolt, but which has a short horizontal bar as part of it which has two large clips encircling two cylinderical devices which have wires clipped into them at the bottoms. The one closest to the front (radiator) is the compressor clutch relay. The other one is the condenser fan relay.
Hope this helps you find it.
SOURCE: blower motor 1991 honda accord ex
the blower motor is located behind and under the glove box. its held to the blower housing by three screws. remove the three screws and the motor will slide down and towards you. to test the motor. apply power to the yelllow/black wire and ground to the blue/red wire. the motor should run. if not you prob have a faulty power resistor.
SOURCE: 1991 honda accord the radiator coolant fan won't
If the cooling fan shuts off after a few minutes with the ignition off, this is normal for most cars; it prevents hard starting in hot weather.
If it fails to shut off after a reasonable period, say 10 minutes or longer, the relay for the fan may be faulty.
If doesn't come on during running and the gauge is in the normal range, this is also normal.
If it doesn't come on when the engine temp is above normal, the sensor for operation has failed.
This is normally located on the bottom tank of the radiator and will have either one or two wires coming from it and most have a hex base for removal and installation.
These are fairly common failures.
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