Red stop engine light?
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by earnies2, Apr 14, 2021.
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Ok update
Had the coads read...
High crankcase pressure..
2 months ago I got a yellow CEL and changed the filter and sensor. So now I need to check the filter, wiring harness, and the blow by tube. The engine has no blowby so I don't think its internal wear or dammage the crane only has 78,000 miles even the hours are lowLast edited: Apr 15, 2021
Reason for edit: Spelling -
Ik today I removed the filter. No contamination I checked the vent tube no restriction. There is a oil return hole in the housing. That seemed to be slightly restricted. Is there a check valve or anything on that oil return line. And what is the recommended intervals on this filter? Hours,miles,or time. Thanks
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While it's running, take the oil filler cap off, hold your hand over the opening, and see if there is pressure. Try it on high idle.
earnies2 Thanks this. -
I will try that
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You still havnt showed the fault codes. The codes listed will help lead you in a direction.
With such a low mileage unit, I would be leaning toward a suspect wiring issue to the sensor over the engine actually having excessive CC pressure. Have you used any oil since last service? Pull the dipstick with the engine running at higher RPM while hot, is air puffing out?
The only possiblity I could see is if the engine were dusted. Possible, but again unlikely.spsauerland, AModelCat and earnies2 Thank this. -
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earnies2 Thanks this.
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