× 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: Hard start very cold weather only
Posted to Technical Discussion Forum on 1/20/2019

I would check all temp sensor readings when cold and see if they look right. I then would check to see if the crank sensor is showing RPM when cranking. Then check to see if the voltage at the ECM is staying at least 10V when cranking. Also may want to watch o... Login to read more.