2009 GMC Sierra with a crank no start that several techs unable to diagnose but they are sure it's a Crank sensor signalling issue. Looks like they are right.
This video will be available for a limited time here just so the shop can watch the video on this channel- otherwise it will be on my paid content channel at www.schrodingersboxqm.com (Schrodingers Box Quantum Mekanix).
Download our free book while you are there!!
The Diagnosis and Understanding: Ignition Systems video is here: https://schrodingersboxqm.com/diagnos...