2014-05-17 We replaced with Hitachi MAF from AutohausArizona. Everything came out perfect.
Last time, my sister A4 Cabriolet 3.ol V6 had an ESP intermittent problem and she wanted to replace the MAF since the codes mentioned the part. The original one is Hitachi 06C 133 471 A and I ordered one from Ebay without brand for $65 instead of Hitachi $150+. My logic was the electronics these days are good and generic one should do the job, but I was wrong. The Generic MAF does start up and idle well, but lacks acceleration responsiveness. I used VCDS to check and it did cause misfiring from most of the cylinders, I tested it twice before putting back the Hitachi original one. This Generic MAF may be a defective one, but my sister doesn’t want to take chances and get a different one, she preferred the original Hitachi. Here is how we replaced the MAF, fairly easy and quick.
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