Code Reader Podcast: GMC Sierra 2500 Tech Tip
An ASE-certified technician walks listeners through an unusual problem on a 2005 GMC Sierra 2500 4WD truck. This tip is brought to you by ALLDATA.
Code Reader Podcast: P0172
When this code is stored it means that the control unit has recognized through the readings from the oxygen or air/fuel ratio sensors that there is a lack of oxygen in the exhaust, representing too much fuel in the combustion process.
Code Reader Podcast: P0455
Our scan tool pulled a diagnostic trouble code of P0455: Evap System Large Leak Detected.
Code Reader Podcast: P0171
The scan tool pulled a diagnostic trouble code of P0171: System Too Lean Bank 1.
Code Reader: DTC P0420
DTC P0420 is stored when the readings of the pre- and post-cat oxygen sensors indicate that the catalytic converter is not working as efficiently as it should be in accordance with pre-programmed specifications.
Code Reader Podcast: P0420
TechShop’s The Code Reader Podcast takes common DTCs, breaks down when and why they occur and looks at symptoms and causes to help listeners make an accurate diagnosis.
Code Reader Podcast: P0128
TechShop’s The Code Reader Podcast takes common DTCs, breaks down when and why they occur and looks at symptoms and causes to help listeners make an accurate diagnosis.
The Code Reader: P0128
The Code Reader takes common DTCs, breaks down when and why they occur and looks at symptoms and causes to help you make an accurate diagnosis.
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Publisher’s Perspective: Changes
I’m also pleased to announce and introduce Andrew Markel who has been named editor of Underhood Service. Some of you may already recognize Andrew, who currently serves and will continue to serve as the editor of Brake & Front End and has contributed numerous technical features within past issues of Underhood Service and ImportCar.