ScannerDanner: Multiple Problems/Poor Customer Communication Pt.1

Feb. 25, 2022
In this video, Paul Danner, a friend of Motor Age, explains how he resolved a low power, long crank, and stalling issue.

A 2007 Chevy Suburban 5.3L with lean conditions from a fuel pressure issue and a vacuum leak, a dirty throttle body causing false TPS code P0121, and a charging system issue. If you are not careful with a job like this, it can end up costing you money. 

Paul Danner (aka ScannerDanner) is an ASE L1-certified Master Technician with nearly 30 years of field experience in electronic, electrical, and driveability diagnostics. For over 20 years he has been employed as an instructor at Rosedale Technical College, where he has taught Engine Performance Diagnostics and Electrical and Electronic Systems troubleshooting. 

In addition to his popular YouTube content, Paul offers premium content on his site, We encourage you to check it out! You may also be interested in his book, "Engine Performance Diagnostics", available exclusively on