Smoking 2000 Expedition.


Old 12-28-06, 02:03 PM
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Join Date: Apr 2006
Location: Oklahoma
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Unhappy Smoking 2000 Expedition.

My wife's 2000 Ford Expedition has started smoking a little when started. Do any of the oil additives (Mystery Oil for example) really help with a problem like this. SUV has 96,000 and would love to get another 50,000 before selling. Any other tips on diagnosing and repairing problem greatly appreciated.
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Old 12-28-06, 02:33 PM
Join Date: Nov 2006
Location: Jersey
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I never tried it but there is a product called "Smokeless Oil"
My neighbor used it in his minivan and I think it worked.
Do you know if it is oil or coolant that's making it smoke ?

If the smoke smells sweet it is coolant and if it smells burnt or a petroleum smell it's oil.
You should check your oil and coolant levels.
Old 12-28-06, 03:01 PM
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Possible bad valve seals as well.
Old 12-28-06, 03:25 PM
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Location: North Texas
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a bad valve gudes

Sounds like bad valve guides to me. A puff of blue smoke on start up? Have not seen many Fords with this condition mostly 70s GM cars. As long as it just does it on start up I would live with it. Or if you have to fix it a valve job with new seals will do it.
Old 12-28-06, 03:58 PM
Join Date: Oct 2006
Location: Wilmington
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I vote with HOT, valve stem oil seals. If it puffs blue smoke when first started and stops soon after. Fairly easy to replace without major disassembly, but requires an air source and a few special tools. Worn valve guides are another possibility, and much more expensive to fix.
Old 12-29-06, 02:30 PM
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Sounds like valves are the problem. Thanks. Probably should take this one to a mechanic I guess. rats.
Old 12-29-06, 05:39 PM
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I'd go with the "in the vehicle" valve seal job............You'll need a compressor and a deal of patience, but you should be able to accomplish what you're trying to do for the least amount of money
Old 12-29-06, 05:40 PM
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Personally I wouldn't mess with it if it's just a little puff on start-up and no excessive consumption between oil changes.

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