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In Reply to: Check Engine light questions... posted by Willard Lee on August 19, 2001 at 18:52:05:
If the fault light is caused by your gas cap, or the oil filler cap or the like, it will likely reset, but can sometimes take several days to do so. If it is the ubiquitous 02 sensor, or any number of other things which won't clear automatically, service department will need to correct the problem.
Incidentally, even if it IS the 02 sensor, or some other sensor, it can reset itself, and then come on again. Mine played that game -- off and on -- for three weeks or so, and through four gas refills -- so I was pretty sure it was not the gas cap or anything like that. After the fourth or fifth time the light came BACK on I took it in, and it was, as suspected, the 02 sensor.
Good luck
Terry