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Need help diagnosing a problem

Old 06-20-2008, 08:16 AM
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Skelly_GSR
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Default Need help diagnosing a problem

- When I am on the throttle it almost sounds like a piece of my cat is broken and rolling around in my exhaust. It only makes this noise on low rpm's. If I go over 3.5k the noise will go away.

A friend at work said my resonator may be falling apart internally. He recommended a take a big screw and drill through it to keep everything tight. The noise if fucking annoying halp h:
Old 06-20-2008, 08:55 AM
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JimBlake
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What kind of car?

Rattling heat shield on the catalyst?

Some Hondas have problems with a 'buzzing' A-pipe (from the manifold to the catalyst). It's a pipe-inside-a-pipe & the inside pipe can buzz against the outer one.
Old 06-21-2008, 08:35 PM
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CSVT.UA.SHO
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or by a slight chance it could be a broken-down cat.

I had a nissan stanza that had similar symptoms and it turned out to be the cat.

can't say for sure though..



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