Help with mysterious P219A code!
By Skyhigh
2021 Ram 1500 Limited 5.7 HEMI 83k 89 octane I’m chasing an intermittent P219A (Bank 1 Air/Fuel Ratio Imbalance) and looking for ideas before I keep throwing parts at it. Symptoms: P219A keeps returning Usually comes back during steady cruise around 1500–2000 after clearing code Very slight off-rhythm vibration/shake at idle, but it’s subtle enough that I only feel it with my hand on engine Truck otherwise runs well No noticeable power loss No rough idle No... Read more
