opelsuby Posted October 5, 2007 Share Posted October 5, 2007 81 gl wagon 4WD 1800. Idling after a bit, smoke (whitish) seems to be coming from the converter. This car hasn't been run in about 10 years. If the cat or O2 sensor is leaking, should I replace with a new cat or just eliminate it ( theoretically of course). What would be the repurcussion of eliminating it? Oh we are a no emissions test state so that's not an issue. Does the dash light up if the O2 is disconnected? I did a search but didn't really find an answer. If new cat, thoughts on which one. Online search has them all over the board. How about a new cat without the O2 sensor? Quote Link to comment Share on other sites More sharing options...
DaveT Posted October 6, 2007 Share Posted October 6, 2007 I don't know specifically for EA81. In general, you want the O2 sensor. So the ECU can adjust the mixture properly. Cat only effects emissions. White smoke could be burning coolant. Quote Link to comment Share on other sites More sharing options...
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