Exhaust popping, clogged cats?
When my car is idling, the exhaust sounds like it is going *rmmmmmmpop pop rmmmmmmmmm pop pop rmmmmmmmm*. They aren't loud pops, but clearly interruptions in the exhaust's tone. I think that my cats are collapsed or clogged. Can anyone shed some light on this for me?
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mmmmmm pop, pop pop mmmmm pop....
isnt that a Hansen song? hehe What mods do you have? My FD pops regularly like that at idle, it is a pretty normal thing. |
I asked about this before and the general concensus is that it is the exhaust piping expanding and contracting due to the heat that causes the metal popping sound.
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could be backfiring. Is it running rich?
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This is when it is running, I have no mods, and at idle speed. I don't know if I am running rich or not.
If rotaries just do it, then OK, but if they aren't supposed to, then I would like to know! :) |
My car does that sometimes. I think it occurs mostly on cold start-ups. It sounds like little mini-backfires. I've assumed that my timing may be slightly off b/c of the mods. I haven't had mine for long, and the last owner put on the intake and exhaust mentioned in my sig. Should I get it tuned?
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