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Sucks you've had so many problems but I can tell you that first off you need to get rid of the KN. They are known to dust the motors on the 7.3s It'll ruin a motor faster than you can believe. Spend the money and get an A&E or do your own 6657 mod. Also ditch the Edge and get a TS 6-position chip customed programmed by someone like DP Tuner, Tony Wildman (I have this one) or any number of other custom tuners. If you can't get it started at cold temps, have you checked your glow plugs? Cheap and easy fix compared to what you've spent thus far. I can start mine at 10 below without plugging it in all day long. Now I let the plugs warm it up for about 30s or so but it's been incredibly reliable for me. Also check your IPR/ICP to ensure you're getting the right oil pressure. You can disconnect the ICP and see if it starts up. If so you know the ICP is bad. As for your alternators, I don't know what ones you're buying but I got mine for $200 at Advance. I can't imagine $550 a piece, someone is taking you to the cleaners (please tell me you're not having someone install it for you. It's only 3 bolts to change.) Speaking of which I'm only on the 2nd alternator in 12 years so something else is a miss in your system if you're truly blowing alternators. Again, hate you've had all these problems but hopefully this might help even if your post is 5 years old. :)Report it
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