how to turn check engine light off on 1998 lexus ls400
all deepens on what the light means, you should get a diagnostic done on the vehicle, some codes cant be erased
A 98 is OBD2 so most auto parts stores can get the codes for you, so write them down and post them back here and someone will help you with further diagnosis. To turn the light off the system must be repaired, codes cleared and then retested to make sure everything is operating properly.
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