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Old Apr 23, 2019 | 05:55 PM
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2005 E55
Originally Posted by Jasonoff
And what causes the fuel mix to be off?
Pretty sure it's the air boxes. I just put non row and my trimes are -4.7 to -5.5 at idle and with carbonio they were plus 45 ish on both banks
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Old Apr 23, 2019 | 06:03 PM
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I had the same experience with the Carbonios. Made incremental power, a tiny bit better than ROWs, but the fuel trims were off the charts.
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Old Apr 23, 2019 | 07:14 PM
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Anyone ever clean the MAF and or MAP sensor(s) yet? I'm up over 147K km (91+K miles) and have never done it yet. Noticing some slight hesitation on cold start after going from R to D first backing out of the driveway.

Plugs were done at 100K km. Primary O2s not that long ago.

Could also be a minor vacuum leak.
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Old Apr 23, 2019 | 07:57 PM
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Originally Posted by Jasonoff
Anyone ever clean the MAF and or MAP sensor(s) yet? I'm up over 147K km (91+K miles) and have never done it yet. Noticing some slight hesitation on cold start after going from R to D first backing out of the driveway.

Plugs were done at 100K km. Primary O2s not that long ago.

Could also be a minor vacuum leak.
91k miles? Just buy new ones, it’s easier. Then you won’t ever have to worry about them again. Cleaning them is rarely a permanent fix.
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Old Apr 23, 2019 | 08:13 PM
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Originally Posted by BLKROKT
91k miles? Just buy new ones, it’s easier. Then you won’t ever have to worry about them again. Cleaning them is rarely a permanent fix.
Fair play, just wanted to get feedback first.

I have done zero diagnostic work so far. Just curious if anyone has mucked with them and seen positive results.
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Old Apr 24, 2019 | 01:50 AM
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Originally Posted by MBNRG
I take it you were not running a catch can, correct?

n
Same question, I didn't see you directly answer it. If you weren't running one, would a catch can have prevented this? I ended up bending over to pay for my weistec can about 6 months ago because of threads like this.
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Old Apr 24, 2019 | 01:56 AM
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Originally Posted by skratch77
1 took out the oil catch can (had warranty work done).
Originally Posted by ShaneN.
Same question, I didn't see you directly answer it. If you weren't running one, would a catch can have prevented this? I ended up bending over to pay for my weistec can about 6 months ago because of threads like this.
^^^
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Old Apr 24, 2019 | 02:02 AM
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Originally Posted by BLKROKT
^^^
ah, I just saw this as a reply, oops.

Originally Posted by skratch77
These cars definitely need a catch can.i still cant believe that my car was miss firing from oil in the intake manifold.
So if it was only off for about 3k miles clearly the catch can wouldn't have helped. I got my answer.
Last edited by ShaneN.; Apr 24, 2019 at 02:05 AM.
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