Severe smoke uppon startup - Ford Powerstroke Diesel Forum
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Old 10-28-2013, 04:32 AM
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Severe smoke uppon startup

I am brand new to any forum so bare with me please. I am posting a 7.3 issue that my brother in law is facing, and I am trying to help out. I will be as detailed as possible. I am not new to the auto mechanics world but I could be considered green in the diesel drivability field. So....on to the issue. The truck is a 1997 with 358k, completely stock, recent work done within the last couple of years is reman injectors, glow plugs, reman turbo. No power inhancers here. Regardless of the tempurature this thing smokes like a BEAST during the first startup of the day. I mean damn near choking out the neiborhood. Once the truck is warmed up you can still see a faint amount of white smoke. Smoke to me definatly smells of fuel. This may seem to be a obvious fix to some, I am sure becoming a member on this forum was the right move, a huge resource. Please help
I tried uploading a mp4 video of the truck during first startup of the day but I got a error message saying that a "security token is missing."? If anyone leaves their email address ill gladly email the video.
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Old 10-28-2013, 08:29 AM
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Have you tested the glow plugs, wiring to them, and/or glow plug relay?

Have you tried plugging in the block heater for 3-ish hours before a cold start?
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Old 10-28-2013, 11:48 AM
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I just found a couple helpful youtube videos explaining the glow plug resistance tests. One test of the actual glow plug and a different video explaining how to test resistance from the valve cover connector. I will test the glow plugs tonight. Something to add, his glow plug relay is currently wired up to a toggle switch from previous owner, so to start the truck he just flips the toggle on for 5-8 seconds then flips the toggle back off. He plans on fixing that issue once he has a couple debts paid off.
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Old 10-28-2013, 12:37 PM
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It doesn't cost any money to wire up the GP relay properly. Just re-connect the original wires to it, and don't try to outsmart the PCM's control of the relay (this isn't an old IDI with a touchy thermal GPR controller).
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