how to take out the check engine of my truk

The Check Engine Light indicates a failure detected. The right thing to do is using the appropriate Diagnostic Tool retrieve the trouble code(s) to fix the problem.

disconnect the battery connection and wait for five minuts then put it back . If there is no existing problem the light wont come on . If it come on again, u have to check it with a code reader. Auto zone parts store ushuly do it free