Nasty Rattle at 1500rpms? (video)
10-23-2006, 07:50 PM
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Nasty Rattle at 1500rpms? (video) This just started tonite when I was head home. I could hear this metallic rattling bouncing off the houses. It is pretty loud at a low speed. I don't seem to have any performance loss and everything under the car seems to be tight. No loose exhaust shields. At 1500rpms the car runs a bit rougher than usual. Please help diagnose this! 
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10-23-2006, 08:37 PM
#4
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Yeah, they are optomizing it right now.
I can say that I also have the same thing. I will have to wait for the video first to say if mine sounds the same, but I have a pretty nasty rattle from my exhaust somewhere near the headers at about the same place. Mine used to be only at about 1500 RPMs, but now it has developed to a range from idle (sometimes) to about 2200 or so. For a lack of better words, it really sounds like a bolt is inside my pipes somewhere rattling around. What does yours sound like? And where is it situated?
I can say that I also have the same thing. I will have to wait for the video first to say if mine sounds the same, but I have a pretty nasty rattle from my exhaust somewhere near the headers at about the same place. Mine used to be only at about 1500 RPMs, but now it has developed to a range from idle (sometimes) to about 2200 or so. For a lack of better words, it really sounds like a bolt is inside my pipes somewhere rattling around. What does yours sound like? And where is it situated?
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10-23-2006, 11:55 PM
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I believe your passenger catalytic converter has gone to ****. That's exactly what mine sounded like when it went bad, at relatively the same RPMS. It could be something else, but it's more than likely the cat.
10-25-2006, 10:55 PM
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Yeah, mine sounds like that, but more of a high-pitched "PING"ing kind of sound. I think it's your cats. No idea what it is on my car though. Anyone have any thoughts of what it could be?
