Quote:
Originally Posted by NoHaveMSG
I'd say, it would be a good idea to verify timing. It's possible you have timing off a tooth on one, or multiple places, that could potential cause both those codes. There are two chains, 4 cams, plus the crankshaft sprocket. A lot going on in there.
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this is where i'd start.
you already tried swapping sensors, which should rule out most electronic problems. yes, you could have 2 bad sensors, or a bad ecu, but they're much more distant possibilities.
my current vote is that there's a mechanical error in the system.