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I don't know anybody who doesn't know about it..


..but don't assume the only way to get rid of a CE is with that procedure. ...it will also clear itself after the fault has been rectified. Clearing it with the button procedure usually results in re-occurence b/c you have not fixed the fault.
CE lamp is there to TELL YOU that a problem/fault exist and the Engine Management System wants it FIXED because the problem is interferring with the ECUs capacity to control the systems mapping parameters. ...in other words, the car is not going to run as effeciently as the design is capable of doing and it is also not going to pass an emmissions test b/c something is broken or out of spec.........the codes just help you get an idea of what part of the complex system the ECU thinks you should be looking at...or , at least , which part of the system has detected a fault and reported that back to the ECU for further evaluation.. It DOES NOT mean to change that part
mentioned in that code.