× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: GM REF HI and EST issue
Posted to Technical Discussion Forum on 10/25/2023

Cracked distributor shaft magnets were pretty common when there were a lot of these TBI trucks around. I recall them cracking on the bottom which requires distributor shaft removal to visually verify. Login to read more.