adam01 Posted February 10, 2022 Share Posted February 10, 2022 my a4 b7 obd11 not powering up when plugged in , it works on friends car but not mine , fuse is ok also my maf / mass air flow sensor don't work runs better with out unplugged ??? put new maf in and still dont work HELP a4 b7 1.8t 2007 Quote Link to comment Share on other sites More sharing options...
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