Oil level

[NTOLERANCE]

Say I overfilled my oil.

Say after that the engine starting running like crap.

Say I drained and refilled my oil to the proper level and it was back to running well.

Where did the oil get into the combustion chamber?

Cdr? Intake?


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[C_Luft]

If you fill your oil too much it will touch the crank shaft and cause the truck to run like crap. That would make sense to me

 

[icanfixall]

Please tell us how much oil you added when you changed the oil. I use the Motorcraft 1995 powerstroke oil filter and use 1 quart less than 3 gallons.. A "normal" oil change takes 10 quarts with the idi small filter that came on our engines. We have since found the 1995 filter has one more quart capacity but best of all its a finer filter media. Remember those powerstroke engines run the common rail fuel injection and need cleaner oil.

 

[chris142]

Ya the ctank got into it. Thats why race cars have a windage tray and crank scrapers. Oil hitting the crank makes a difference.

 

[79jasper]

Gary, it's HEUI.
Common rail is different, they don't need as clean of oil, because their injectors are ran by a Bosch cp3 type pump.

NTOLERANCE, describe running like crap.
You can also get a runaway from over filled oil.

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[Deutz866]

Most of our trucks from various fleets send some oil out the crankcase breather if its really overfilled, and you can hear that for sure. The crank sloshing around in the oil will also make it sound like hammered dog crap. Worst case senario you'll have high crank case pressure and an oily mess, shouldn't harm anything

 

[NTOLERANCE]

2 quarts over filled - guessing
I had to change the oil filter because the one I had on there started to leak from the seal. It was sort of aN emergency as I was at work ( I drive a lot for work)
Store near me only had a power stroke filter bought a gallon of oil and filter as I only had 1500 miles on the oil. Changed the filter and absentmindedly poured all four quarts in from the gallon jug.

I was in a dress shirt and tie doing this so please cut me a big of slack. Running late to an appointment as well didn't help.

Yesterday changed the oil completely and it's back to normal. I had low power and the engine sounded funny.

Typically I run 12 qts.


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