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Search took 0.01 seconds. Search: Posts Made By: stevejlh

Forum: Performance and Technical Chat

04-07-2009, 01:06 PM

Replies: 2

Help. Humming sound on cold start

Views: 1,061

Posted By stevejlh

Maybe it has but I,ve only noticed it in the last...

Maybe it has but I,ve only noticed it in the last week and a half. Could be the pump is just getting louder because of age. Is there a secondary air pump in that location.

Forum: Performance and Technical Chat

04-07-2009, 12:36 PM

Replies: 2

Help. Humming sound on cold start

Views: 1,061

Posted By stevejlh

Help. Humming sound on cold start

When starting my 1999 Boxster during cold start (when the car has been sitting for 2 or more hours) there is a humming sound located behind passenger side on right. This humming is loud as if a small...

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