tomada3 Posted May 7, 2015 Report Share Posted May 7, 2015 hi can a cat that is on way out trigger o2 fault codes upstream o2 in particulari fitted new o2 sensors upstream and downstream but the upstream o2 codes keep occuringany advice i know if cat smells like rotten eggs its on way outmy car dont smell Quote Link to comment Share on other sites More sharing options...
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tomada3
hi can a cat that is on way out trigger o2 fault codes
upstream o2 in particular
i fitted new o2 sensors upstream and downstream but the upstream o2 codes keep occuring
any advice
i know if cat smells like rotten eggs its on way out
my car dont smell
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