Chris_B Posted December 24, 2006 Report Share Posted December 24, 2006 I've got a friend who has an A4 1.8 20v on an S plate. It's been missing and stuttering a bit recently, and he took it to an indy who diagnosed MAF. He's shelled out for a new MAF, still the same thing. Two different indys have apparently told him he's just best trading it in on something else! Surely it can't be that hard to diagnose a misfire? I assume that indys just have a generic ODB diag, not a VAG tool or VAG-COM. Would a VAG-COM provide better diagnostics? To make matters worse, the blower in the AC has just packed up. Any suggestions that I can make to him? He's not everso technical, so it needs to just be pointers he can throw at somebody with an ODB tool. Link to comment Share on other sites More sharing options...
Paul Posted December 24, 2006 Report Share Posted December 24, 2006 VERY generic list of issues that have troubled A3/S3 1.8 <font color="red"> T </font> 20v lumps, which of course are mounted the other way around to the A4 and turbo'd. coil packs. coil pack amp (if it has one) I know some earlier A3's with the bolt down coils had one that lived on the top of the battery. coolant sensor can sod up fueling. But i wouldnt suggest looking at anything before a good diagnostic, clear the codes, and see what comes back. Old faults, can cloud the problem. You need to know the current faults. Link to comment Share on other sites More sharing options...
Chris_B Posted December 26, 2006 Author Report Share Posted December 26, 2006 Thanks, so I guess he'd be best finding somebody with a VAG-COM or bending over and letting a dealer clear the fault codes and seeing what comes up after that. Thanks for the advice. Link to comment Share on other sites More sharing options...
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