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Help Unwanted Dumping When Cold


IEATV8S

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  • Member
  • Member For: 17y 9m 15d
  • Gender: Male
  • Location: Albury, NSW

Hi Guys sorry its been a while since I posted last but I have been having a problem with my BA lately that has me stumped. (Not hard to stump me :) )

When the car is cold and I go for a drive under light or heavy acceleration the I hear a noise like the throttle has closed and the boost is dumped back into the intake side. I have not lifted off the accelerator, the car seems to do this automatically. I do feel a slight surge/loss in power. It happens very quickly and can happen in rapid succession (like its having a sneeze attack) at times.

At first I thought I was a dodgy TB so I changed it out with a known good one and I get the same result. I then thought I was a dodgy BOV but I had a look adjusted the spring a few times and still get the same result.

I'm no mechanic but can turn a spanner. Anyone have any ideas?

If it helps its a 2004 BA XR6 Turbo. 2006 Atomic Engine, Plazmaman 1000HP Cooler, Plazmaman 4" intake, Plazmaman BOV, Process West Plenum, GTX3582R.

Any help or suggestions would be greatly appreciated.

Also If I posted in the wrong area sorry.

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