Head Gasket Replaced -- MPG drop -- Questions
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01-22-2002, 11:17 AM
Join Date: Aug 1999
Location: Florida / N.H.
If the pre cat was pretty fouled, you may want to do a voltage/cycle time test on the 02 sensor. That may be as badly
fouled as cat was.
Also, seeing the head was done , ask if any silicon gasket material was used anywhere.
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