5 Basic Emissions Diagnostic Checks

1 module


Course Length
10 mins

Joshua Wilson



Discover how to determine the common causes of the P0420/P0430 code in the 5 Basic Emissions Control Diagnostic Checks eLearning course. You’ll learn the five basic steps for diagnosing issues with the emissions control system.


By completing/passing this course, you will attain the certificate Garage Gurus Certificate

5 Basic Emissions Diagnostic Steps
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Added 2 days ago, by Joe
Due to modern emissions system complexity, that it doesn’t just include catalytic converters, may want to rename course to 5 basic diagnostic steps for converter efficiency codes P0420/P0430. Also, not super technical, but some good tips that aren’t always common knowledge. Would be well suited for an addendum to an Electronic Engine Controls or Emissions/Driveability course.
Added 8 days ago, by Stephen
Awesome info
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