| off gas situations ..1 gauge would read 15.2 while the other read 13.6 for example .. on gas --they would read the same .. when both 02s are functioning correctly ..usually the difference between both sides is less than 1.0 point .. and this was observed at low RPMS ( near idle ) and high RPMS ( off gas ). It was inconsistent - which made me throw on the conzult to see what was going on.
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