The cold weather issues could very easily be something other than the chip. A failing glow plug relay or even just a glowplug or two could contribute to romping cold start. If you have a test light you could check the glow plug relay with the help of someone else. You can also check the resistance of the glow plugs with a multimeter to check their condition. You could pull the chip, but it would be easier and you'll be better off checking the glow plugs and relay first. I think it's a good idea to check them anyways with some colder weather.
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Thomas H.
'97 F-250 CCSB 7.3L Auto, Gauges, Modded H2E, 285/200% sticks, 7.3L IC, Stealth Dual HPOP, Pheonix chip
'03 F-250 CCSB 6.0L Auto, Gryphon CTS, FICM tuning by PHP, Powermax
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