Would you like to have your eyes opened to the truth about "so called On Board Diagnostics" Search internet for - Intro to On Board Diagnostics. The groups.engin.umd site will really shock you with the TRUTH about what you probably thought was your friend to keeping your car running. Oh-how wrong that propaganda is!


Asked by May 19, 2014 at 07:42 PM

Question type: Maintenance & Repair

MECHANICS FAVOURITE TOPIC  - "I need to scan for codes"

1 Answer


I am NOT pooh-poohing mechanics here. I really think that most people, including mechanics, DO NOT KNOW WHY the sensors are there. It is a very informative explanation from a University ; ie: not from the manufacturers nor the government. It is the facts.

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