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  #1  
Old 5th December 2004
paQ paQ is offline
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Default "check engine"

[sorry, but the search doesn't work

What does it (usually) mean when "check engine" is lit up?
sometimes it is not lit up during driving, and suddenly it's back again.

When I reset the whole thing (unplugging the battery for a minute) it's gone. But when I drive it, or start it a few times, it's back again.

has this something to do with the injection? or air supply anyhow?


I can get a read-out at the dealer, but their schedule almost nevers fits mine :-?
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  #2  
Old 5th December 2004
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valbowski1980 valbowski1980 is offline
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The Oxygen sensor going bad can cause this. Also, is your gas cap on tight? That can cause the light also.
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  #3  
Old 6th December 2004
paQ paQ is offline
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Quote:
Originally Posted by valbowski1980
The Oxygen sensor going bad can cause this. Also, is your gas cap on tight? That can cause the light also.
but to be sure I have to get a read-out at the dealer?
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  #4  
Old 6th December 2004
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boxman boxman is offline
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what year is your car :-??
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  #5  
Old 6th December 2004
paQ paQ is offline
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Quote:
Originally Posted by boxman
what year is your car :-??
it's a '92 CS 2.3 Turbo
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  #6  
Old 10th December 2004
D. Wolfe D. Wolfe is offline
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Remove the O2 sensor and examine it. It should be white or at worst cream in color. If it is black, it is dead and should be replaced.
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  #7  
Old 11th December 2004
paQ paQ is offline
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it ws the o2 sensor. And is fixed in the meantime :wink:

http://www.saabcentral.com/forums/vi...9c508a36fef0d8
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