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Well if you don't change it and there is a problem with it, Then the check engine light will come on and the engine MAY run rough and use alot more fuel. You may notice POOR performance. Replace it if NEEDED.
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How to change an o2 censor?
To change an O2 sensor you need to disconnect the wiring harness from the sensor. Use an O2 sensor socket and ratchet set to remove the old sensor and replace with the new one.
How do you change the oxygen sensors in a 2001 Chevy Metro?
to change o2 sensor ,you need to buy a o2 sensor socket from a parts store then disconnect neg terminal on battery ,after that disconnect wire connecter on o2 sensor and remome o2 sensor
Which o2 sensor do you change on a ram?
The bad one.
Do you have to change the spark plugs when you change the O2 sensor on a 1995 5.7L Suburban?
No, the spark plugs and O2 sensor are totally different things. that is not right!! they are the same things!!
What happens to a 1998 Pontiac sunfire when the oxygen sensor needs to be replaced?
It depends on which o2 sensor.
Where is the oxygen sensor on a 1998 Toyota Corolla and how do you change it?
It screwed in to the exhaust manifold. To change it you unplug the sensor and unscrew it with an O2 sensor socket.
What happens in subaru with faulty oxygen sensor?
When a Subaru has a faulty O2 sensor the fuel management is out of whack.
What happens when an o2 sensor goes bad?
When an O2 sensor is bad your car will not run efficiently. You will use more gas than you would normally use on a trip.
How do you change an o2 sensor on a 98 Chevy Cavalier?
don't have the foggiest
Where is the o2 sensor located before the cat on 1999 4runner v6 4wd and where is the airfuel sensor that may be mistaken for the pre cat o2 sensor?
The sensor between the cat and the engine is the air fuel ratio sensor, it looks like an o2 sensor. The o2 sensor is between the cat and the tail pipe. The forward sensor is the af sensor t he rear one is the o2 sensor. Thar answer is for the calif. vehicles. Fed may be different but I dont think the 4 runner had two o2s like some of the sedans. fairly visable tho.
How long does it take to change the O2 sensor on a Nissan Altima?
Mines a 95 model and it took me 5 minutes. Just disconnect the sensor and splice the wires and connect the new sensor. Motor needs to be warm when you do it. Just dont burn yourself.
Which o2 sensor on a 1997 neon is it when OBD II reports sensor 1 bank 2?
You need to change the upstream sensor
