The days of using a feeler gauge to set the plugs and point before hitting the road are long gone. Now it is more about understanding what all the warning lights mean - how to transfer that 'check engine light' into a code that can be defined, analyzed and hopefully lead to a fix.
In this episode of the Car Clinic, Konrad DeLong, Master ASE tech shows a tool on how to read the codes, as well as go further in analyzing the issues.
MUCAR900 CDE