× 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: P1391, cmp, ckp waveform
Posted to Technical Discussion Forum on 12/12/2015

[...trimmed text...]

You should always save a file after the fact. You can sometimes see things during a review that you don't see during the repair. Simply because you're not under the gun and you can take your time to ... Login to read more.