porting MAS on an A4
MAS=MAF?
P orting the Mass Air Flow sensor ends is generally considered a bad idea for an A4 car because the MAF tends to report a lower load condition than actually exists. This in turn will increase the chances of transmission failure due to (I believe) slippage.
I don't know that the tricking of the PCM has to do with the MAF.
People did modify the IAT sensor to get more timing.But that's not the MAF.
P orting the Mass Air Flow sensor ends is generally considered a bad idea for an A4 car because the MAF tends to report a lower load condition than actually exists. This in turn will increase the chances of transmission failure due to (I believe) slippage.
I don't know that the tricking of the PCM has to do with the MAF.
People did modify the IAT sensor to get more timing.But that's not the MAF.
Originally Posted by Cheatin' Chad
MAS=MAF?
P orting the Mass Air Flow sensor ends is generally considered a bad idea for an A4 car because the MAF tends to report a lower load condition than actually exists. This in turn will increase the chances of transmission failure due to (I believe) slippage.
I don't know that the tricking of the PCM has to do with the MAF.
People did modify the IAT sensor to get more timing.But that's not the MAF.
P orting the Mass Air Flow sensor ends is generally considered a bad idea for an A4 car because the MAF tends to report a lower load condition than actually exists. This in turn will increase the chances of transmission failure due to (I believe) slippage.
I don't know that the tricking of the PCM has to do with the MAF.
People did modify the IAT sensor to get more timing.But that's not the MAF.
Originally Posted by badmfkr
I heard not to port the MAS on the A4 car it messes up the shifting of gears.
anyone here port there A4s MAS.
Thanks
anyone here port there A4s MAS.
Thanks
I still can't figure out the drawbacks to descreening an MN6 car. Everyone just says not to do it , but doens't offer an explanation. I know that on the A4 cars the MAF reading is used to adjust the trans line pressure but someone please post what happens on a Manual car. I descreened mine a few weeks ago and my car seems perfectly fine. My A/F meters on the A-pillar still give the same readings as before. They go from rich to lean as they did before without a tendency to stay in one particular area.
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Granatelli MAFs are junk IMO (no offense to JR)...absolutely unnecessary with LS1edit/HP tuners. They have screwed up airflow curves programmed into them and are a pain to tune.
There is nothing wrong with descreening a MAF. Thats different than porting it. Mines descreened, as are the new LS6 MAFs.
There is nothing wrong with descreening a MAF. Thats different than porting it. Mines descreened, as are the new LS6 MAFs.
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