On my drive to work this morning I noticed a new noise... it sounds almost puttering. It's coming from passenger side cylinder head. What could this be? No CEL and I won't be able to connect VAG Com to it for a little bit. Possible a bad exhaust valve? bad intake valve? broken spring? There's no metallic tinging (which is a relief), but I can't put my finger on what this noise could possibly be.
Might be the intake flapper... gonna need some time to diagnose.
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