oxygen sensor
The Evil Twin
Joined: Mar 2001
Posts: 9,297
From: Seattle, WA
Important enough that you want a good working one installed.
If you don't have one in at all, the ECU will run the engine a bit rich as though it is cold all the time. The car will still run ok but you will have poor fuel economy and probably foul out your spark plugs early.
If you don't have one in at all, the ECU will run the engine a bit rich as though it is cold all the time. The car will still run ok but you will have poor fuel economy and probably foul out your spark plugs early.
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