Oh yeah I believe with the old school way you have to understand a little more. With a lot of the newer systems it is just clamp on a few heads and do what the computer screen says. Monkey can do that. The problem with a lot of the new systems is you got Gorillas working with the machines. It is very easy to knock a machine off calibration. The boss does not want to fix it but still wants the tech to go thru the motions.

Allen Here's a novel idea, let's not throw a bunch of parts at the car hoping it will fix the problem and instead spend a little time diagnosing it first. Life was a little easier when I was just a wrench.