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Old 07-29-2006, 10:30 PM   #1 (permalink)
fastturbo4
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Newbie comin to the masters here...White Smoke!!HELP!

SO...I'm new to the diesel game....but being an avid mechanic and motorcycle nut, I took the liberty to scam the forums for my problem as well as recorded all my old and new parts replacements on this van.
I just bought a 1994 Ford E-350 box van. It has 300K and doesn't leak a drop of oil. Now....I'm having the white smoke problem. It reeks of diesel smell. I bought the van 6 hours from me. Upon pickup it fired up instantly with no smoking. After warmup the smoking started. I stopped to fillup for my 6 hour roadtrip and I couldn't restart, as it wass cranking slow and not firing enough. Oil was overfilled (get to that later).Scratched my head, jumper cables, ether, blah blah. Got it restarted and drove it over 5 hours home...smoking all the way. Van WILL NOT restart after initial startup. Starts perfectly and easily when cold/sitting.
Upon my inspections and between an auto (non-diesel) mechanic friend we determined it may have an injector problem (hydro locking after warmup/start and explains the oil overfill due to the fuel seeping past the rings AFTER sitting overnight). Now...it "appears" to have new glow plugs, new injector pump/distributor, new starter solonoid (which I think is the GP controller in the back of the intake), new GP wiring harness, recent Ford Reman trans, new upper fuel filter. Pretty much the previous owners were chasing the problem. Now...I inspected the injectors...they had factory paint on them like they were the stockers. Bought a set of Reman Ford ones off Ebay. Installed them along with a new belt and changed the oil. Upon installation, I found only ONE reman injector and that one along with another were soaked with fuel upon removal. The others seemed to have minor carbon buildup. Replaced, and now the van started right up (after cranking a bit to remove excess fuel) and ran really nice. Could shut it off and restart easily. Cut the white smoke in HALF, but NOT gone.
Here's MORE: SO I set the van up for my shop...to go racing with 3 bikes, etc....figure, that if I drive it the smoke will cut down. I tried to "time" it BTW, but the crappy Snap-On pulse converter wouldn't work, so I left it. I get the van home shut it off...back to the hydro-locking attitude....cranking like it's binding up. Let it cool, jumper cables off my buddy's 05 Powerstroke..finally a restart! Drive it 1.5 hours one way to race. Cooled for 2 hours or so, cranked and slow, but a restart and drove it 1.5 hours back. Oil is showing overfill like fuel is getting past the rings. SO...BEFORE you suggest head cracks, gaskets or warpage....the van only showed a little heat during the INTIAL drive for the 5 hours when I bought it. SInce the new injectors...BELOW the middle of normal on the gauge(90+degress out here)...so no overheating. After over 10 hours of constant white smoking, MOSTLY heavy under acceleration and light during cruise, there is NO COOLANT LOSS whatsoever...not to mention KILLER gas mileage, especially over my Triton V-10 Buss I just sold!! When I bought it, I got home in under 6 hours on a full tank with a 1/4 left!! With the newer injectors, evne better!
To recap: New hard parts, all of which are suggested in most forums. Hydrolocking is still a symptom. Fuel is still in the oil, but oil is clean for a diesel. White smoke all over. Full tank of fuel with Lucas fuel additive (for diesels too). Starter is weak and clicking thanks to the hydrolocking...I hear I can bent rods from it. Batteries are standard. My plans....new batteries, new starter. Fuel seems to be getting past the injectors into the cylinders, why? I know I may have a worn engine or cylinders, but low compression does't have anything to do with fuel seepage. The motor runs quite well, not killer power but drivable. Also the exhaust seems to PUFF the smoke out, like there may be a weak cylinder, but it may just be too much fuel/air to burn it all and may cause non-firing all-together. Any help is greatly appreciated!
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