MED9 MAF reading

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gman86

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	MED9 MAF reading « on: April 19, 2017, 01:27:13 AM »

So the diagnostic channel reports a max of 364.08g/sec, but does the ECU "see" any more? I've used KFKHFM to dial down my fuel trims so the MAF reading is overscaled a touch. When logging in VCDS, 364.08 is the most I see so I wondered if the ECU is then having to go soley on wideband feedback for fuelling. Lambda control is +/- 5% in the higher revs so it doesn't seem to be struggling.


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nubcake

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	Re: MED9 MAF reading « Reply #1 on: April 19, 2017, 03:30:27 AM »

Quote from: gman86 on April 19, 2017, 01:27:13 AM

So the diagnostic channel reports a max of 364.08g/sec, but does the ECU "see" any more?

Yes.
~1820 is the hard limit.


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gman86

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	Re: MED9 MAF reading « Reply #2 on: April 19, 2017, 03:58:50 AM »

Quote from: nubcake on April 19, 2017, 03:30:27 AM

Yes.
~1820 is the hard limit.

1820g/sec or kg/hr? Either way, I'm good. 1820kg/hr is 505g/sec.


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nubcake

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	Re: MED9 MAF reading « Reply #3 on: April 19, 2017, 07:55:35 AM »

g/sec.
or 6553.5 kg/hr.

But you will probably max out your ps_w way before that.


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