Loud hum from intake Ang ideas

Asked by Jeffrey May 01, 2021 at 04:06 PM about the 2001 Acura CL 3.2 Type-S FWD

Question type: Car Customization

It makes a loud hum noise sounds like its from the intake.also now map
high.anything I might try

5 Answers
41,220

TDolby answered 3 years ago

A loud hum might be an indication of a vacuum issue, especially after the car warms up. Check the crankcase hoses and valve and or PCV.

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F_O_R answered 3 years ago

Maybe the IAC is bad. Try cleaning it with some carb cleaner and then lube it with a little oil.

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Jeffrey answered 3 years ago

Ok thanks I'll do that today and get back to you.another question there is a rubber tube that is between the two butterflies of the intake do you know what its called ?I see a few small cracks and want to replace it.

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