Originally Posted by
Mark Rinker
Cool - what was the problem?
My '04 and '06 both have dual tanks, the smaller rear tank added by the upfitter when the beds were added. No issues - the factory gauges are even suprisingly accurate as well with normal, smooth decline/readings from 'F' to 'E', even though the smaller rear add-on tank drains completely, first.
Sometimes after the trucks are shut down, I can hear what sounds like an electric pump working for a few seconds, but have never investigated. Maybe the upfitter added a lift pump - I'll have to look someday when they are up on the rack.