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Turbo Wont Boost Over 6psi


LTSBGY

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  • Member For: 18y 10m 14d

hi I have an 04 xr6t with a xforce exhaust had it tuned and it wasnt boosting over 6psi checked the cat and it was fine I havent checked the turbo we even tryed a boost controller what else could it be apart from the turbo???

thanx

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  • Member For: 18y 10m 14d

Yes was custom tuned with edit and managed 230 rwkw with 6psi. Tune is meant to pump out 12psi and have 270rwkw +. Boost comes in late after 4000 rpm. Tried another boost controller and that wasnt problem.

If its a sticky wastegate how would I go about freeing it up? And im guessing the only way to see if its the actuator is to change it, roughly how much?

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  • Member For: 20y 3m 2d
  • Gender: Male
  • Location: N/W Sydney

I had a similar thing wen I was running a generic edit..I wasnt that impressed with the performance and wen I installed a boost gauge I noticed it only went to around 5-6psi..

Turned out to be the solenoid..

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  • Member For: 20y 2m 3d
  • Gender: Male
  • Location: CH

Find out if the car has had a uni-craip in it before, if so they have not wired it up right when they have pulled the chip out....

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  • Member For: 20y 7m 12d
  • Gender: Male
  • Location: Sydney
hey guys just a thanks for your input. the problem ended up being the waste gate was stuck open.

Thanks for reporting back lets boogy. I'll get mine checked as well.

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  • Member For: 18y 10m 14d

The problem was due to the wastegate actually slipping down some how, not sure if it was factory fault or not but because it had slipped down it was hitting the wall of the turbo and wouldnt close. It took a very hard bashing to move it just a few mm so hopefully it wont happen again and if it does then a tak weld wil make sure it doesnt slip down again.

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