OK so Iwas able to find and fix the PO455 ODB II code and check engine light came on after 300 or so miles and the code reader now says PO171. I'm leaning torwards the O2 sensors before and aft of the cat. converter. Anyone hve similar readings? The 98 XC V70 has been running fine all the while and it is idleing fine. Before I bust some knuckles I would sure like to hear from someone.
Thanks Lou
ODB II PO171
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