silvershark44 Posted February 13, 2007 Share Posted February 13, 2007 Right I have a standard Jap Spec tt, and in the last month or so, ive noticed a strange noise coming from the rear of my car. Quite a quiet one though. Basically this noise only comes on with light throttle, as soon as you get any boost you cant heard it anymore (either it goes away or the sound of the turbo's/ higher engine revs block the noise out). The noise sounds like distant light machine gun fire, strange analegy i know but its true. Its a quiet noise, pehaps like an extremely quiet scooby exhaust sound? Is this the sound the standard exhaust makes? Or is it blowing? Is the engine misfiring? As you can tell, I have no idea. Any ideas? Link to comment Share on other sites More sharing options...
silvershark44 Posted February 13, 2007 Author Share Posted February 13, 2007 anyone? Link to comment Share on other sites More sharing options...
silvershark44 Posted February 13, 2007 Author Share Posted February 13, 2007 Cant believe no-one can give me any help with this? Link to comment Share on other sites More sharing options...
geoffvalenti Posted February 13, 2007 Share Posted February 13, 2007 If you want to bring it round, I'll willingly have a listen to it for you, but it's virtually impossible to diagnose a noise from your description. Saying that, I've just noticed you're in Lincolnshire, so it might be a bit far to come. I'm sure one of the closer members would be willing to listen to it for you. Link to comment Share on other sites More sharing options...
jamesmark Posted February 13, 2007 Share Posted February 13, 2007 Is this the sound the standard exhaust makes? Or is it blowing? Get yourself under the car, somone else cover the tailpipe and check for it blowing, not to long though. Is the engine misfiring? As you can tell, I have no idea The engine would be lumpy, you would know if your engine is misfiring. At least the 2 times it has happened to me it has been like a brick through a window with a note saying who it is from, it was that obvious. Link to comment Share on other sites More sharing options...
merckx Posted February 13, 2007 Share Posted February 13, 2007 That's a diffcult one. It sometimes helps to have a passenger in the car to stick their head out of the window or to sit in the boot with the tailgate open when taking a test drive on a quiet industrial estate. Link to comment Share on other sites More sharing options...
silvershark44 Posted February 13, 2007 Author Share Posted February 13, 2007 The sound is defintely coming from the rear, but only when i give some throttle. Without throttle you dont get the sound. Really strange, but starting to think its just the noise the exhaust makes. Link to comment Share on other sites More sharing options...
Matt _Aero top_ Posted February 13, 2007 Share Posted February 13, 2007 Might be a blowing backbox as you thought i had something very simular but as the other members say hard to diagnose , i fitted a supper dragger and now i can hear feck all ....lol Link to comment Share on other sites More sharing options...
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