engineerbill Posted January 11, 2006 Report Share Posted January 11, 2006 I just got an engine from a salvage yard and it didn't have any of the exhaust parts or manifolds. I want to put it in my car. I have the '92 Seville ECU as well. My Cadillac manual shows 1 O2 sensor for '91 Seville and 2 O2 sensors for '93 Seville but it doesn't have the '92 wiring diagrams so I don't know how many to put in the exhaust system. If anyone has a '92 Seville with 4.9L engine, could you please look and tell me how many O2 sensors are required by the '92 Seville? Thanks a million. I really appreciate it. Link to comment Share on other sites More sharing options...
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