Hello together, I have the appearance of the control lamp in the cockpit again and again sporadically with my R8 V8. It turns on, sometimes stays on 1-2 days, and then goes off by itself. Finally it has stopped – and I drove to the workshop (Audi) for safety reasons. There the error memory was read out and I was told that the “catalyst bank 1” as well as the “control chain with chain tensioner” must be exchanged. My question: Had ever been of you I have already noticed a few times that someone has complained about the error of a wrong assignment in the range camshaft / crankshaft, then the problem has “resolved” itself, however, because it only appeared sporadically. In how far can one really trust the reading? And what costs do there estimate to come to me? For the cat the engine must already out, and the control chain also only replaces when the block outside Is…?! Greetings