Gray/Blue Smoke at Startup
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    Corndog Hater ColonyPark's Avatar
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    Gray/Blue Smoke at Startup

    etcallhome's thread about smoke at startup was very timely. I have been having an issue with gray/blue smoke at startup. My normal startup (the last 3 years and 215+/- hrs.) has been a small puff of black smoke and pretty smooth idling, even in winter. Recently I have copious amounts gray/blue smoke and much more rough/stumbling idling at startup. This lasts upwards of a minute, then all is totally fine and normal. I have tried cycling the glow plugs twice. I also normally start at idle, but have tried 1/4 to 1/2 throttle with no difference. If I slightly bump up the throttle after starting, things even out a little quicker, but not much. I am no diesel mechanic, so I thought I would check here before sending it off to the dealer.

    Just some other info: I changed the oil/filter, all new fuel filters and air filters at 200 hrs. Now showing 230ish. This affliction started around 215. I have also never used any sort of fuel additive. Within this time frame, I have also bought fuel from a couple different stations. As always, thanks for the help!

    I took a video, hopefully it will work!

    http://<a href="http://i262.photobuc...&#91;/IMG]</a>
    Jamie

    2011 JD 1026R - w/60" NON-AutoConnect MMM, FEL w/WR Long Toothbar, 47" Front Mount Snowblower, 54" Front Mount Blade w/ Rubber Edge, 48" KingKutter Tiller & Brush Hog, CountyLine Carry All and CountyLine 60" Rear Blade, Pat's EZ-Change Quick Hitch System
    1990 JD 185 - 46"MMM w/Power Flow Bagger

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    Corndog Hater ColonyPark's Avatar
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    Jamie

    2011 JD 1026R - w/60" NON-AutoConnect MMM, FEL w/WR Long Toothbar, 47" Front Mount Snowblower, 54" Front Mount Blade w/ Rubber Edge, 48" KingKutter Tiller & Brush Hog, CountyLine Carry All and CountyLine 60" Rear Blade, Pat's EZ-Change Quick Hitch System
    1990 JD 185 - 46"MMM w/Power Flow Bagger

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    herbertperform's Avatar
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    That can be a few things. After reading your post and watching the video I have a few thoughts. Have you checked your oil and radiator water levels? Are they where they should be? White smoke usually indicates water getting in your oil such as a head gasket leak. I doubt this is your issue, but a compression test would rule it out.

    Usually the symptoms you mention and from what your video shows implies you are burning oil, probably from excessive wear in your valve guides or valve seals. Although, if your guides or seals were bad enough it should smoke a little any time it is running, especially if you rev the engine you should notice a puff.

    Whitish-grey usually indicates water burning. Blueish-grey usually indicates oil burning. Black indicates a rich mixture of excessive fuel trying to burn. By watching your video I do agree you have a problem that should be serviced.
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    HouseMouse's Avatar
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    Dirty injectors. Try a tank of Sea Foam or Power Service.
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    I wonder if you got a glow plug that's not working
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    Corndog Hater ColonyPark's Avatar
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    Thanks guys!!!! All fluid levels seem fine and I keep checking them. A neighbor had mentioned trying some additive, I just didn't want to make anything worse. But I wouldn't think the sea foam would hurt? I just want to get this taken care of before winter when the 1026r moves from the barn to the garage. This would smoke out our vehicles and garage!


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    Jamie

    2011 JD 1026R - w/60" NON-AutoConnect MMM, FEL w/WR Long Toothbar, 47" Front Mount Snowblower, 54" Front Mount Blade w/ Rubber Edge, 48" KingKutter Tiller & Brush Hog, CountyLine Carry All and CountyLine 60" Rear Blade, Pat's EZ-Change Quick Hitch System
    1990 JD 185 - 46"MMM w/Power Flow Bagger

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    herbertperform's Avatar
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    I agree with the other posts that you may have a dirty injector or possibly a glow plug issue, but usually the smoke would be more of a black color. I would definitely dump some Sea Foam in. That stuff works very well. At the very least some Sea Foam here and there is good routine maintenance.
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    I'd be curious to see a video of a cold start up at idle and leaving it at idle.

    I am thinking glow plug related. You obviously have fuel not being burned off and with the extra throttle at startup the fuel is likely keeping a cylinder cool which keeps it from firing.
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    Keeper of the GTT Cookies dieselshadow's Avatar
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    It looks like you may have a bad glow plug. One cylinder not getting the heat the other two are, makes for an uneven balance until that cylinder develops enough heat to run on its own. Gray smoke is actually a combination of the normal black smoke (at start-up) and the white from the unburnt fuel from the cold cylinder.

    One can not use the same color smoke diagnosis from a gasoline motor as a diesel. They are different.
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    Corndog Hater ColonyPark's Avatar
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    Quote Originally Posted by psrumors View Post
    I'd be curious to see a video of a cold start up at idle and leaving it at idle.

    I am thinking glow plug related. You obviously have fuel not being burned off and with the extra throttle at startup the fuel is likely keeping a cylinder cool which keeps it from firing.
    I can do a video of that today, hoping to mow before we get some rain tomorrow.


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    Jamie

    2011 JD 1026R - w/60" NON-AutoConnect MMM, FEL w/WR Long Toothbar, 47" Front Mount Snowblower, 54" Front Mount Blade w/ Rubber Edge, 48" KingKutter Tiller & Brush Hog, CountyLine Carry All and CountyLine 60" Rear Blade, Pat's EZ-Change Quick Hitch System
    1990 JD 185 - 46"MMM w/Power Flow Bagger

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