i had check engine Light come on in the dash code is P0661.. i got a scan ran on my car and aLong with the code it read: Low power, Low fueL economy, secondary shutter vaLve switch. i asked a question on here a few days ago and was suggested by someone to buy a can of throttLe body cLeaner and cLean my vaLves.. i had aLready read where the code couLd be appearing due to carbon buiLd up. so i feeL Like cLeaning it is a pretty good idea. the can says removed air intake beLLows to expose the throttLe body intake. where is this? someone HELP!