otis Posted February 26, 2009 Share Posted February 26, 2009 A couple of years ago a CEL came on (p0328- knock sensor). I always said I would change it myself and never did. So finally after 2 years, I just had the dealer do it last week. The first thing I noticed when I got the car back, was a slight sputtering when I was stopped at a light. A couple of days later, the CEL came on again. I went to Autozone and the codes came as follows: P0328- knock sensor P0127- throttle position sensor (although another reference said air too hot) P0171- fuel too lean P0130- O2 sensor fault I guess my question is this... Did the dealer do something wrong? Or did all these other problems occur during the 2 years of my putting off any repairs? (I never read the code in the 2 years, so if there were other codes before my dealer visit, I wouldn't have known.) Quote Link to comment Share on other sites More sharing options...
nipper Posted February 26, 2009 Share Posted February 26, 2009 Look under the dash on the drivers side near the gas pedal. You will see two green connectors. if they are connected disconnect them and all will be well. They are to be connected just for diagnostics. Sometimes (we are all human) a mechanic will get distracted and forget to unplug them. nipper Quote Link to comment Share on other sites More sharing options...
idosubaru Posted February 27, 2009 Share Posted February 27, 2009 waiting to replace the sensor didn't cause all of those others. after checking nip's comment, have the codes read next time the check engine light comes on. most likely those were all old codes and only one or two...or none, are even relevant now. Quote Link to comment Share on other sites More sharing options...
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