Originally Posted by F250FarmBoy
mine always showed a little bit of yellow. How many miles did you use the filter, because mine has ~60000 MILES and never moved. Maybe the filter minder is faulty.
Filter minder will move slowly until it gets fairly close to being full. The OEM Dondaldson Powercore can hold 3+ lbs of dirt and others have reported going 80K miles before changine.