Cueman Posted August 19, 2004 Report Share Posted August 19, 2004 COuld the engine throw any codes if the SES light does not come on in a 95 cutlass, or does the light always come on when there is a code...also if the oxygen sensor is bad shoul I get any codes? Quote Link to comment Share on other sites More sharing options...
99RegalGS Posted August 19, 2004 Report Share Posted August 19, 2004 There are a few codes that won't trigger an SES light, but an O2 would trigger one. Quote Link to comment Share on other sites More sharing options...
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