So I bought a 2013 A4 Allroad with 74K on it in July. Drove it home and after owning two '01 A4 1.8T's (both manual) I was in love and thought the performance was amazing. A day or two later I go to start the car after it had been driven earlier and it just cranks. Try it again, it just cranks. I have to give it gas to start it. I replaced the spark plugs and ignition coils, nothing. Eventually I replace the intake hose that sits on the manifold which resolved a p2015 error I was getting but the starting while warm issues persists, though getting less frequent with the cooler weather. I replaced the crankshaft position sensor but no luck. The car will start almost immediately or struggle slightly and then push through now when starting. Usually it will have a slightly rough idle for 10-20 seconds but the issue was still showing up.
I finally replaced the camshaft position sensor today, which is the easiest and cheapest part to replace, and I immediately noticed the engine started very smooth. I then noticed the car that I thought had great performance now had even better performance. The engine sounds better, car shifts better, 0-60 time went down by a full second exactly with only one test run and the MPG's went up quite a bit. I'm sure its fixed based on all the improvements but if anything changes I'll update. Hope this helps.
EDIT:
Note fixed. Read my most recent post.
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