I have a 97 F250 7.3 power stroke I recently just bought. When I start it, it blows out alot of white smoke for 5-10 minutes after starting. I've replaced the PCM, it cut the smoking down a little and if you rev the truck up it will shoot most of it out with in a few minutes. It also smells like straight fuel, is there anything I could try?
well, it is an old diesel truck, there'll always be some smoke when cold :-)
sounds like dead glow plugs to me. my first powerstroke (the red one in my sig) smoked like a freight train when it first started ...if it started in the real cold weather. a new set of glowplugs and it started first time everytime in subzero temps and smoke was way down.
could be other things, but if its a new truck to you, GP's are a good thing to check anyway. you can ohm them out at the valve cover connectors. i believe they should all read 1.5 ohms to ground and are the outermost pins on each connector. there's quite a few threads on this though, so a quick search should get you on the right track.
good luck and welcome to FTE!
96 F250 SCLB 4x4 7.3L PSD - RED (RIP - the part out has begun)
97 F350 CCLB 4x4 7.3L PSD - WHITE (361k mi - DD, auto->ZF5, 3.55LS, 6637, 3"DP->StraightPipe, 33x12.5x16.5's, object of more upgrades)
97 F250 RCLB 2WD 5.8L gas - BLUE (ZF5, 3.55, distant-future-project-truck - 235k mi)
Likely glowplugs. Mine are going out from having my truck COLDDDDDDDD starting every single day for 6 months in Colorado after getting off work (12-14 hour shifts). But they were likely going out before that.
If I cycle my plugs 2 or 3 times on a cold start, no smoke at all.
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