Winterman Posted March 17, 2005 Share Posted March 17, 2005 Just an observation. I finally "resolved" my Check Engine Light that I posted on 2-7-05 titled "O2 Sensor Issue." My mechanic replaced 2 O2 Sensors and the CE light still went on informing that the O2 Sensor was bad. He said something was frying the sensor and he would get back to me once he did a little research. I disconnected the battery when I was doing some wiring and wa la' the CE went off and stayed off. I can't take it to the mechanic because there is no code to troubleshoot. So I am not sure that the problem is fixed, but if it fine with my Subbie, it is fine with me. Quote Link to comment Share on other sites More sharing options...
yarikoptic Posted March 17, 2005 Share Posted March 17, 2005 You can have codes stored even without CEL light on. Quote Link to comment Share on other sites More sharing options...
friendly_jacek Posted March 17, 2005 Share Posted March 17, 2005 Maybe your car had the ECU issue with ECU geting confused and throwing O2 codes left and right. There was a recall with ECU reprogram. Thust a thought. Quote Link to comment Share on other sites More sharing options...
Setright Posted March 19, 2005 Share Posted March 19, 2005 Disconnecting the battery erases the ECU memory, I believe. If the mech replaced the O2 sensor without resetting the ECU, the the code would still be present and the CE light on. I think your new sensors are OK, and you just finished the mechs work when you disconnected the battery ;-) Quote Link to comment Share on other sites More sharing options...
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