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bwp 
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Joined: 02 Oct 2010
Location: Elko, NV
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 Topic: D19 Diesel misfire
Posted: 12 May 2023 at 8:53pm |
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Hello all,
I have a misfire on my D19D within about 1000 to 1500 RPM. Runs great and lower RPMs and lots of power at high RPM. The pump and injectors were rebuilt about 7 years ago but I’ve had this timing issue since install. The tractor has a a loader and only really sees service in the winter when it snows. It’s never really been that big of an issue before however I lm doing a bunch of maintenance on it and would like to clear it up. Doesn’t seem like timing is off that much but it’s odd to me the miss is in the midrange of the powerband? I have a service manual but any and all suggestions or tips would be greatly appreciated. Shoutout to Dennis from Ill, hope you and yours are all well sir!
Thanks,
Brad
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1962 D19D FEL, 1970 F250 390FE, 1997 Dodge Viper GTS, 1968 Roadrunner in pieces...
Whether you think you can do thing or if you think you can't, you're probably right. Henry Ford
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DrAllis
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Joined: 12 Sep 2009
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Posted: 13 May 2023 at 6:42am |
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How is this mis-fire problem in the Summer months when it is warm ??
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bwp
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Location: Elko, NV
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Posted: 13 May 2023 at 10:45am |
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Hey Dr. thanks for asking. It’s mostly still there but not as bad.
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1962 D19D FEL, 1970 F250 390FE, 1997 Dodge Viper GTS, 1968 Roadrunner in pieces...
Whether you think you can do thing or if you think you can't, you're probably right. Henry Ford
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DrAllis
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Posted: 13 May 2023 at 5:14pm |
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As you describe it, seems as tho the fuel injection pump timing may be late. Could also be low on engine compression pressure, not what you want to hear. Advancing the pumps static timing will make it start even harder than it does now. I suppose you could change the inj pumps advance setting, by screwing IN the adjustment screw 2 or 3 turns and see what effect that has. Be absolutely sure to count how many turns you change things so you can go back to where you were if that doesn't work out. Changing static timing 2 degrees could also be tried. Move the pumps top in towards the block to advance.
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injpumpEd
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Joined: 13 Sep 2009
Location: Walnut IL
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Posted: 13 May 2023 at 6:17pm |
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Make sure the return and inlet systems are free of debris. A plugged return circuit from when the pump failed a few years ago can still cause issues with the rebuilt pump. Any return line restriction can slow down the advance mechanism in the pump. If it was professionally rebuilt, it should be set right, but if it was a backyard "rebuild" then you may have to adjust the trimmer screw to get the advance curve right. Could be worn transfer pump causing it too. So many variables.
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210 "too hot to farm" puller, part of the "insane pumpkin posse". Owner of Guenther Heritage Diesel, specializing in fuel injection systems on heritage era tractors. stock rebuilds to all out pullers!
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SteveM C/IL
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Joined: 12 Sep 2009
Location: Shelbyville IL
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Posted: 13 May 2023 at 6:57pm |
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I'd say Ed nailed it....because it all started after the "fix"
Edited by SteveM C/IL - 13 May 2023 at 6:58pm
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AC720Man
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Joined: 10 Oct 2016
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Posted: 13 May 2023 at 7:06pm |
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I can’t imagine putting up with it for 7 years...that would drive me crazy
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1968 B-208, 1976 720 (2 of them)Danco brush hog, single bottom plow,52" snow thrower, belly mower,rear tine tiller, rear blade, front blade, 57"sickle bar,1983 917 hydro, 1968 7hp sno-bee, 1968 190XTD
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bwp
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Posted: 15 May 2023 at 9:52pm |
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Thank you all for your suggestions. I’m sure the compression is low, it needs some time for the coolant to heat up in the winter. Next couple weeks are busy with work and training but I will report back once I dig into it.
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1962 D19D FEL, 1970 F250 390FE, 1997 Dodge Viper GTS, 1968 Roadrunner in pieces...
Whether you think you can do thing or if you think you can't, you're probably right. Henry Ford
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bwp
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Joined: 02 Oct 2010
Location: Elko, NV
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Posted: 09 Jun 2023 at 2:32pm |
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Thank you Dr Allis and everyone else who helped. Finally found time today to make some adjustments. I tried the smoke screw first with one complete turn. Not much change. Moved the static timing inbound approximately 1/4 of an inch and everything is running much better. Clearly it wasn’t enough when I originally installed the pump. I remember having a hell of time trying to adjust the pump during install, but all is good now. Thank you all!
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1962 D19D FEL, 1970 F250 390FE, 1997 Dodge Viper GTS, 1968 Roadrunner in pieces...
Whether you think you can do thing or if you think you can't, you're probably right. Henry Ford
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Joe(TX)
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Joined: 11 Sep 2009
Location: Weatherford. TX
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Posted: 10 Jun 2023 at 7:49pm |
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Have you checked the turbo and the powers cells for carbon buildup? That was the problem on my D19.
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1970 190XT, 1973 200, 1962 D-19 Diesel, 1979 7010, 1957 WD45, 1950 WD, 1961 D17, Speed Patrol, D14, All crop 66 big bin, 180 diesel, 1970 170 diesel, FP80 forklift. Gleaner A
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AC720Man
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Posted: 10 Jun 2023 at 9:41pm |
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Hey Joe, tell me about those power cells please. My D17 has that same engine and I’m trying to understand what they do and how it effects how they run.
Thanks
Rob
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1968 B-208, 1976 720 (2 of them)Danco brush hog, single bottom plow,52" snow thrower, belly mower,rear tine tiller, rear blade, front blade, 57"sickle bar,1983 917 hydro, 1968 7hp sno-bee, 1968 190XTD
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SteveM C/IL
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Posted: 10 Jun 2023 at 9:58pm |
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energy cell....lanova fuel system....injector squirts into cell and it burns back out into cylinder. Increasing fuel delivery does little for power increase...mostly just more smoke.
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AC720Man
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Posted: 10 Jun 2023 at 10:03pm |
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Thanks Steve, sounds like it wasn’t a good idea lol.
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1968 B-208, 1976 720 (2 of them)Danco brush hog, single bottom plow,52" snow thrower, belly mower,rear tine tiller, rear blade, front blade, 57"sickle bar,1983 917 hydro, 1968 7hp sno-bee, 1968 190XTD
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SteveM C/IL
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Posted: 10 Jun 2023 at 10:08pm |
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I think they were sorta efficient on fuel but no first hand knowledge.
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AC720Man
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Posted: 10 Jun 2023 at 11:16pm |
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I will say it is a fuel efficient tractor. I did a lot of sickle mowing last year with it and was impressed with fuel consumption.
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1968 B-208, 1976 720 (2 of them)Danco brush hog, single bottom plow,52" snow thrower, belly mower,rear tine tiller, rear blade, front blade, 57"sickle bar,1983 917 hydro, 1968 7hp sno-bee, 1968 190XTD
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