any ideas anyone?
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Joined: Apr 2001
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From: BC, Canada
any ideas anyone?
I've got a stock 89 2.8l and on Thursday night i started to here a rattle from my exausht. and shortly after I start to feel a lose of power. I'm thinking it has to do with my cat. has anyone expirenced this before or have any ideas. Any help would be greatly appreciated 
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Joined: Mar 2001
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From: Zeigler Illinois
it may be the cat. best thing to do is get the car off the ground(ie jacks, ramps) and start it up and see where the rattling is coming from. But in most cases exhaust rattle is a loose heat shield around the converter mostly.
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Joined: Dec 2000
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From: Roselawn, IN, Newton Co.
Car: 92 RS
Engine: VSux
Transmission: Flux Capacitor
I could be wrong but I am almost positive there was a recall on my 86 SC for excessive CAT noise, it would rattle, and it does 
sounds like a knocking actually. It never hurt anything it's just annoying.
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1992 RS 3.1
1985 POS (SC 2.8 CFI)
sounds like a knocking actually. It never hurt anything it's just annoying.------------------
1992 RS 3.1
1985 POS (SC 2.8 CFI)
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Joined: Mar 2000
Posts: 13,414
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From: Central NJ, USA
Car: 1986 Firebird
Engine: 2.8 V6
Transmission: 700R4
Cool! Hey I was checking out the 'ol JC Whitney catalog a few nights ago, and saw an exhaust backpressure gauge. It went into the spot for your oxygen sensor... would this be the "technical" way to determine a clogged cat??
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-Tom P (Hot rodded 1986 Firebird 2.8l) from http://www.f-body.net/mailbag/3rd/3rd_mailbag.html message boards
---Think your car could be pic of the week? Visit http://www.f-body.net for details!
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-Tom P (Hot rodded 1986 Firebird 2.8l) from http://www.f-body.net/mailbag/3rd/3rd_mailbag.html message boards
---Think your car could be pic of the week? Visit http://www.f-body.net for details!
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