Occasionally my 05' will crank and crank, with no start. If you turn key off then try starting again it will typically fire right up. When it fires it will put a large cloud of blue smoke. This has happened since day 1. The truck has just shy of 16k miles now. All i can think is that maybe an injector is losing prime? (after reading other injector failures on numerous threads) Any ideas? If injectors are the culprit i have no problem upgrading them with some new ones. Can anyone tell me about the Kax injectors and if they are worth a damn. Timberline Dodge in Portland Oregon sells them for 1200. 00 installed and they are fully warrantied. I believe they are reworked factory injectors but not positive?