02 sensors
Recently I bought a 1997 Boxster with 98,000 on the Odo. It ran fine but had an engine light on. I also bought a reader and it produced 02 errors of 3 potential types. I elected to change out ALL 4 02 sensors with the type which has the connector on it. The sensor ends seated fine and the snap on ends did as well. I cleared my codes and low and behold I STILL got a engine check light with the same 02 codes! Now what?
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