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#1 |
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IH8MUD Regular
Join Date: Nov 2007
Posts: 307
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Smoking White; Bad Compression
Are my rings going in my engine, engine is smoking white.
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#2 |
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Diesel Trucker
Join Date: Mar 2007
Location: Portland OR - USA
Posts: 1,009
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Did you test the compression? If so post the numbers. There are several other causes of white smoke including; an air leak in the fuel system, bad timing, bad glow plugs (if the smoke goes away when warm), bad injectors, probably other things. You have not told us any history of the engine or current miles or even what engine it is and where you are. |
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#3 |
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IH8MUD Junior
Join Date: Sep 2007
Location: Edmonton, AB
Posts: 162
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does it (the smoke) smell sweet? I don't know about diesel's, but in a gasser this can be indicative of anti-freeze getting into the combustion chamber.
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#4 |
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IH8MUD Addict
Join Date: Jan 2006
Location: Toronto
Posts: 607
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Probably your diaphragm needs replacing, is this a recent change with your motor?
How's your engine idle speed? |
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#5 |
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rust and moth consumables
Join Date: Jan 2005
Location: Wet Coast
Posts: 844
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White smoke and bad compression in one or more cylinders is indicative of a cracked head or a failed head gasket. Do a pressure test of your cooling system to confirm. Which engine do you have?
__________________ -Peter Mac- 1990 HDJ81 1997 40th 1967 Norton Atlas 1986 Yamaha RZ350 1996 Ducati 900SS SP Ya...it's like crack to me... www.bestinshowexhibits.com |
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#6 |
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IH8MUD Lifer
Join Date: Apr 2003
Location: Panamá
Posts: 9,217
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The white smoke on advanced timing smell little spicy ? ( best way to define it
) to me ...
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#7 |
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IH8MUD Lifer
Join Date: Dec 2006
Location: Abby
Posts: 2,340
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Smell will help you diagnosis a lot. Like they say, if it smell like crap then you got crap. So, if it smells like burnt motor oil, then you're burning oil (rings, valve stem seals) If it smells sweet, then you are burning coolant (cracked head, gasket). If it smells like unburnt diesel then you have bad combustion (bad glow plugs, air in fuel, too little fuel) or overfueling and bad injectors (black smoke). So next time you start it up, get your friend to stand behind the exhaust and take a good smell of your exhaust.
Once you have figured out the smell you can start looking more closely for the possible cause. There is no sense in doing a lot of tests until you narrow down the possible causes.As well, it would help the guys on the forum if you were a bit more detailed in your explanation on your first post.
__________________ John G. 姉 ![]() Join the Import Vehicle Owners Association of Canada: Fight for what is right |
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#8 |
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IH8MUD Regular
Join Date: May 2007
Location: Vancouver Island
Posts: 308
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A JDM, perhaps? Prado...?
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#9 |
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IH8MUD Lifer
Join Date: Dec 2006
Location: Abby
Posts: 2,340
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That would be the sweet steam cloud of coolant cleaning your piston head.
__________________ John G. 姉 ![]() Join the Import Vehicle Owners Association of Canada: Fight for what is right |
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#10 |
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IH8MUD Lifer
Join Date: Apr 2003
Location: Panamá
Posts: 9,217
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funny but real .. my wife didn't underestand when I stand back in my Cruiser and take " smoke " shot just to know how it's my engine today ..
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#11 |
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IH8MUD Regular
Join Date: Nov 2007
Posts: 307
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Okay, nice; lots of help.
1.) Smoke goes away completely after it is warm; usually, some guy that had a bunch of cruisers saw me drive past his house and said that it was smoking white pretty badly. 2.) About 300-250 grand on the motor. 3.) Will Smell, havnt noticed it smelling like anything other than diesel. 4.) High Idle 5.) Knocking at high Revs 6.) Injection might be a little too far advanced. |
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