Originally Posted by dannyzabolotny

From my experience, you should make sure that the timing wheels line up with the holes in the timing cover, since that's what the sensors measure. Unfortunately, the timing jigs are not always accurate. Back when I was using the old BMW-style timing wheel jigs, I always had camshaft timing error codes and I would have to tweak the timing wheels afterwards. Now that I've switched to using the GAS timing tools, I've gotten the timing spot on with the first try.