retired1 Posted March 5, 2008 Share Posted March 5, 2008 Our 2002 RX 300 has about 50K miles on it. Just had an oil change done about 3 weeks ago and now three weeks later the TRAK/OFF, VSC & CK engine light all stay on. My first thought was to check the hose behind the air cleaner box but it appears secure. I also checked the gas cap and it appears to be holding pressure properly. I also disconnected the battery to reset the code but after starting the engine all three lights come on in about 20-30 seconds. Anyone have any ideas before I go get the code read? Quote Link to comment Share on other sites More sharing options...
lenore Posted March 5, 2008 Share Posted March 5, 2008 Go to your local Autozone store and get a free code read, post them here. Also look under the forums for the same problem. there are a lot of entrys but generally it is Air/fuel ratio sensors on the exhaust manifolds. (look kind of like oxygen sensors) Quote Link to comment Share on other sites More sharing options...
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