Oil/Fuel Dilution Concerns...

[TacoFreak]

yeah, no off button on a hybrid. The hybrid system controls the ICE and other than using tow/haul mode you are out of the loop.

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[MustardTiger]

Gas in oil. Overfull crankcase. This isn’t normal. I’ll never be able to go a full OCI in the winter…

 

[Rocko]

Gas in oil. Overfull crankcase. This isn’t normal. I’ll never be able to go a full OCI in the winter…

Did you check it when cold. Mine did the same thing when hot, and when I rechecked it in the morning, it was normal. Now when I change the oil, I try to get it 3/4 full and call it good.

 

[MustardTiger]

@Rocko yeah I always check it cold, and multiple times. I just don't understand what this engines problem is! Maybe it has something to do with the excessively high fuel consumption during cold weather? It chugs gas on the highway as bad or worse than my 5.7 Tundra ever did...yet with half the cylinders, the end result is gas in the oil. Idfk anymore. Last thing I want to do is waste my time visiting the dealer...they won't do anything or even acknowledge it as a problem

 

[TacoFreak]

It chugs gas on the highway as bad or worse than my 5.7 Tundra ever did...yet with half the cylinders, the end result is gas in the oil. Idfk anymore. Last thing I want to do is waste my time visiting the dealer...they won't do anything or even acknowledge it as a problem

Yeah, I don't think the dealer will do anything about this. But my last truck was a 5.7L Tundra and my 4th gen gets a lot better mileage than it ever did. That makes me think that there really is something wrong with your truck. Good luck and keep us posted.

 

[MustardTiger]

This is a screenshot of my live engine data, driving highway speeds in -13f (-25c) temps, taken 1 hour into trip, burning regular 87 (10% ethanol). Engine oil temperature is simply too low (185f). My dad was driving his 5.7 hemi ram in same conditions, his engine oil temperature was 210-212f (99-100c), same conditions, same gas.

No wonder my engine gets gas in the oil during the winter…it can’t run hot enough in the cold temps

 

[izzy]

This is a screenshot of my live engine data, driving highway speeds in -13f (-25c) temps, taken 1 hour into trip, burning regular 87 (10% ethanol). Engine oil temperature is simply too low (185f). My dad was driving his 5.7 hemi ram in same conditions, his engine oil temperature was 210-212f (99-100c), same conditions, same gas.

No wonder my engine gets gas in the oil during the winter…it can’t run hot enough in the cold temps

Interesting, even in temps 45-50, the engine oil takes it's sweet time to climb up to 195-200F, like 10 miles of freeway driving minimum.

You really need at least 195F to start burning moisture out of the oil.

185F oil temp is just too low.

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