Originally posted by albertucsb: Those are the exact part numbas. What were your symptoms of bad precats? ....
In my case excessive back-pressure caused the two small hoses to the DPFE sensor to blow off, CEL code displayed related to EGR flow not cat effeciency.
98 Mystique LS v6 atx 163,000km
97 Contour LX v6 atx 163,000km
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