View Single Post
#11: 02-22-2008, 11:41 AM
ehsnils's Avatar
Title: Kafka was an optimist.
Rank: Premium Donator
Location: Chicago of Scandinavia.
Car: '17 Outback 2.5i Base CVT
Posts: 13,787
iTrader: (0)
Send a private message to ehsnils Find all posts by ehsnils Reply With Quote
Originally Posted by canis View Post
If the car had a bad O2 sensor, isn't the computer sophisticated enough to say "you have a bad O2 sensor?"
Not necessarily - it depends on HOW it is bad. It may be sending a signal that is within the acceptable limits and therefore the computer doesn't detect it as bad. The detection is usually a check if the sensor transmits a voltage outside the range.