Thread: O2 Sensors
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Old 03-27-2004   #12
LightningGSX
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Join Date: Nov 2003
Location: St Paul
Posts: 1,390
If you don't get a CEL, I would assume one or both of the o2 sensors are bad.Or I have read about pre-2000 Mitsubishi's having a problem with monitoring catalyst efficiency, more specifically the catalyst test hardly ever runs.
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