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Old 10-06-2018, 09:13 AM   #15
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Start with a oil sample to determine how much dust/sand was injested. Having been there and based on the condition of your impeller it was caught in time. Mine had leading edges that looked like coarse sandpaper and one had 1/8 th inch missing from one end. Fortunately mine had an opposing vain (8 not like your 7) so by smoothing the leading edges with a file and removing an equal amount from the opposing vain...I did not replace the turbo and that was 45K miles ago.

I would change the oil and then sample and change again in 5K miles. Measure the location of the oil on your dipstick after a few miles and then again every thousand miles (under the same conditions) to try and tell how much if any oil consumption you may now have. Also check for any oil spots on your toad.

If no oil on your toad I would consider yourself lucky. If it does use a little oil and there are oil specks on your toad I would make a oil catcher for the engine vent (steel wool in a gallon jug) as oil is cheap and these engines are tougher than most think.


It burns little to no oil between changes, and Iíve never had any oil on my toad and/or in the engine bay. This in part is why Iím suspicious of this diagnosis.
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Old 10-06-2018, 09:16 AM   #16
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In all this did they give you any indication of what was causing the CEL ,, a code ? , or a good explanation of how a dusted engine would cause an intermittent CEL ?


Itís the 555 code. One reason for the CEL is high crankcase pressure.
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Old 10-06-2018, 02:46 PM   #17
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Yep, oil samples for next 2 or 3 oil changes and watch boost, fuel use and blowby. If its toast you will know.
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Old 10-06-2018, 03:39 PM   #18
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Does the crankcase filter on the top of the engine need to be changed? Clean it up, clamp it up and change oil. Dealer is not your friend!
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Old 10-06-2018, 05:00 PM   #19
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In your picture, right on the center hub piece at 7 o'clock it looks like that center hub may be cracked or dinged....or is that a piece of cloth or something from a rag? Just looks strange from the photo and can't quite make out what it is.
That is where a grinder is taken to the wheel to balance it.
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Old 10-07-2018, 08:29 AM   #20
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Engine dusted

Heavy truck mechanic here.What several people said is correct.If no oil consumption,no noticeable power loss,fix the air leak,change the oil and air filter,roll on.If I used blowby as a reason to rebuild engines the fleet would be bankrupt!Now clouds of smoke from road draft tube,maybe different
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