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Junior Member
 
Group: Forum Members
Last Login: 9/3/2008 2:58:35 PM
Posts: 18,
Visits: 30
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| I was told I'm getting a soft "engine code" that one of my 02 sensors may be going. How do i go about identifying which one it is and should it be replaced now/ The check engine light is not on currently on.
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Supreme Being
Group: Forum Members
Last Login: 1/2/2009 1:17:46 PM
Posts: 82,
Visits: 100
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Not all scan tools can retrieve shadow memory or " soft codes". If the tool can, it will tell you which sensor & what exactly the problem is with it relative to a signal short to ground, O2 heater circuit problem etc. So you need to ask the person scanning your car.
I generally don't replace things until I have a known fault accompanied by a significant error frequency.
Mike Morris
Schneller BMW Performance
26 Middle Rd Unit 1-2
Newbury, MA 01951
978.465.2002
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