CM2250 low power poor mileage
12-03-2022, (Subject: CM2250 low power poor mileage ) 
Post: #48
RE: CM2250 low power poor mileage
(10-25-2022 )Rawze Wrote:  
(10-25-2022 )Rockinbexpress Wrote:  Rawze I wouldn't think carbon packing would be an issue as this motor was demandated out of the box 3 years ago. Would you?

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(10-25-2022 )Rockinbexpress Wrote:  I just got the oil sample back and everything is good. No carbon, fuel or water.

That does not mean anything.

Only turning the engine by hand and knowing how tight one usually is to turn will reveal how much resistance the engine has.

So is it possible to have a carbon packing problem and not have any symptoms, no oil consumption, only poor fuel economy?? Is there any way to check without pulling piston in that case? I have a CM2250 with lower than normal fuel economy as well.....
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RE: CM2250 low power poor mileage - Truckdriven - 12-03-2022



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