What part is this
Looks like the EGR (Exhaust Gas Recirculation) valve. Can you post another picture of it only upside down? So I'll know for sure. -Jim
It's not the EGR valve. I'll keep digging. -Jim
Looking for a Used TL in your area?
CarGurus has 3,428 nationwide TL listings starting at $799.
Search Acura TL Questions
Acura TL Experts