01-15-2020, 10:20 AM | #1 |
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X5M Blackstone results
Attached. I do seem to have a bit more fuel than I am comfortable with. I am going to change out the oil at 4k and resubmit. Since their fuel analysis is not known to be very accurate....I will keep an eye on it. Piece of mind goes a long ways so I might just go ahead and change out the Rev 12 injectors. I also changed the oil after the vehicle was sitting for a week, but ran it for 5 minutes only. Generally I run it longer before changing oil, but wanted to gauge any injector leaking.
My CCV pipes were leaking, but am doubtful they had any impact on these results. Specs: Mileage 105k Oil Liqui Moly 5w-40. I generally run 5w-30, just had a few jugs of 5w-40 lying around. MotorKote additive Last edited by pearlpower; 01-15-2020 at 03:07 PM.. |
01-16-2020, 07:43 AM | #2 |
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It's likely from not getting the oil temps past 200F before doing the oil change. Normally I mention to on the sample slip if the oil wasn't brought up to normal operating temps before the oil change.
If you have or know someone with ISTA program, there's a built-in diagnostic to check if the injectors are leaking. |
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01-16-2020, 10:30 AM | #3 | |
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01-16-2020, 02:53 PM | #4 | |
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From what I remember the diagnostic will engage the fuel pressure and monitor the pressure for a duration of time to see if there's a pressure lost. I forgot how long it was for...probably a min or two. |
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