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'''Tomas Audi S6''' '''Technical data''' Audi S6 2,2t -96, AAN-engine, VEMS v3.3 with Motronic connector, Box no. 1986 * New trigger solution with cam Hall inverter * IAT is NTC type * Siemens 630 cc/min injectors. I have done one other Audi: MembersPage/MattiasSandgren/OskarAudiSFour But that one doesn't have the cam Hall inverter (but works flawlessly anyway). Here is the config, tables, MSQ and datalog of my problem: http://www.vems.hu/files/MembersPage/MattiasSandgren/TomasAudiSSix/ '''Problem description''' Above 4000 rpm the engine runs very well without hesitations or other problems, feels strong and runs with a clean sound. No sign of trigger, ignition or other ECU problems. The problem is below about 4000 rpm we have slight misfires which can be heard at idle and gives a slightly rougher idle quality and the lambda value varies just a bit too much for this type engine. This is not a "show-stopper" but what happens during normal daily driving is. If the engine is given any load above light driving, like a strong acceleration it will appear to misfire.
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