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My car has a rattle under acceleration, a very disturbing vibration which seems to be coming from the rear of the car but I cant be sure, but I did start noticing it after my new fuel pump was installed, but before it - I cant remember because my car really wasnt really all that drivable... I also have a P0420 code... would a cat cause a vibration under accelleration if its bad?
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1997 Camaro RS W/T-Tops<br />All Stock / 200 HP -
Re: Slight rattle while accellerating + P0420
I would check your heat sheilds, esp. the one on the CAT.08' L76 6.0L 4X4 Chevy EXT.Cab LTZ Vortec MAX with Snug top cover, Dynomax exhaust,Hptuners& K&N intake
96' Camaro M5 to A4 conversion, alot of mods . GT35R Turbo full suspension. Built engine -
Re: Slight rattle while accellerating + P0420
If one so happened to fall on the cat, would that cause the cat to become inefficient? just wondering, I wasnt sure if they needed to breathe or not.Originally posted by ssms5411 View Post1997 Camaro RS W/T-Tops<br />All Stock / 200 HPComment
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Re: Slight rattle while accellerating + P0420
When I had a new differential installed the exhaust got tucked up a bit too high and caused the car to feel a bit off, along with causing a cat code to pop up. After readjusting it (ie. giving one of the exhaust hangers a good shove), the exhaust went back to its normal spot and no more codes or rough rattling feeling. Might check it out.'99 Camaro
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