× 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: Rough Idle, Surging
Posted to HD/Fleet Forum on 6/14/2018 1 Reply

yes that is what it is doing it revs up and down, now it is alot less than before but still surging.

when idling ST FUEL TRIM B1 % -2 ST FUEL TRIM B2 % -2 LT FUEL TRIM B1 % 0 LT FUEL TRIM B2 % 9

LT FUEL TRIM B2 % SEEMS TO BE STUCK THERE AND DOESNT MOVE Login to read more.

1 Replies Received (View Replies)