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Why Would You Pay To Diagnose A Check Engine Light?

Why should you be willing to pay a mechanic to diagnose your check engine light? We’ve all heard commercials from stores like Pep Boys and various tune-up shops  for “free check engine light diagnosis” — even the transmission chain Aamco, with no general repair track record, is advertising “free” diagnosis of check engine lights.

If advertising were considered a reliable guide, one might assume it must be pretty easy to “hook up” and have “the computer” tell you what’s wrong with a car. Why would you want to pay for something you can get for free?

The question is — What kind of a diagnosis do you get for your zero dollars? Is it of any value?

Or is it possible that choosing to go the “free” route will end up costing you more than paying a proffessional to truly diagnose your problem. Let’s take a look at some of the components critical to a successful diagnosis and repair:


The diagnostic process used

The technician’s knowledge

The equipment available

The quality of the repair parts

Post time: Sep-01-2016


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