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IMPORTANT: enter the case-INsensitive alphabetic (no numbers) code AND WRITE SOME SHORT summary of changes (below) if you are saving changes. (not required for previewing changes). Wiki-spamming is not tolerated, will be removed, so it does NOT even show up in history. Spammers go away now. Visit Preferences to set your user name Summary of change: '''Audi AAN 5cyl 20VT engine''' Please use the 5 pin Mass Air Flow Sensor plug (car is a 1993 Audi S4 AAN 20VT) for WB02 sensor on oID=1591 (?) VEMS Motoronic55 ECU. Please measure the MAF pins in the harness * which AANpin it belongs to (fill in table below) * any pin connected to ground must be avoided. * Is there a +12V pin (capable of 2..3A) for heater+ ? Can you fill this in ? MAFpin, pin on the 55pin connector, function : * 1, AANpin... , * 2, AANpin... , * 3, AANpin... , * 4, AANpin... , * 5, AANpin... , * 6, isn't it a 6pin connector ? Do you have a male plug (maybe ripped from a bad MAF) ? Unfortunately we do not. ---- In the meantime, review VemsAudiAan You can do the verification measurements, Optional: Add document to category: Wiki formatting: * is Bullet list ** Bullet list subentry ... '''Bold''', ---- is horizontal ruler, <code> preformatted text... </code> See wiki editing HELP for tables and other formatting tips and tricks.