[s-cars] How to test the MAF? Trying to solve fault 2224

[chris chambers]

I found information on sjmautotechnik.com trhat leads me to believe I
may have a problem with the MAF. According to this page:

http://www.sjmautotechnik.com/20vboost.html#oboost

I have run across a couple of 20V Turbo cars which had a 2224 code
stored inside the ECU and were getting the overboost fuel pump cutout,
even though the boost was only going up to 1.0-1.2 bar. In the first
case this would occur only when the throttle was quickly floored, and
would not happen if the throttle was gradually opened all the way. In
the first case, it ended up being a defective MAF sensor. In the other
case it was only a poor connection at the MAF sensor. Try using some
contact cleaner on the MAF connector and terminals, and see if the
overboost problem is eliminated.

My plan is to clean teh connectors as good as possible, and swap the
MAF from the Silver S4 to the black S4. If it is a bad MAF it should
act up on the Black one (hers) and not mine!

right?

Thanks
Chris


=====
93 Audi S4 silver, 93 Audi S4 black, 85 VW Scirocco 2.0 not stock :-)
73 Porsche 914 2.0 (67,000 original miles, stock), 67 GMC Long Step pickup 95% complete frame off restoration, 86 VW Scirocco Wolfsburg

"If things seem really under control, you're not going fast enough.  -
Mario Andretti"

"It's not how much you make, but how much you don't spend!"

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