Volvo RWD 200 Forum

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premature 02 failure ~ 5,000 miles. 200 1990

If a little coolant is getting to the O2 sensor that will surely ruin it.
A head gasket slightly leaking will do it.
sealers that are not sensor safe will ruin it too, like non safe silicone.






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New premature 02 failure ~ 5,000 miles. [200][1990]
posted by  matt82dl  on Fri Oct 31 16:04 CST 2014 >


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