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P1227 Dtc (Wastegate Closed/boost Over Pressure) :( :( :(


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  • Legacy Donating Member
  • Member For: 16y 4m 18d
  • Gender: Male
  • Location: Hoppers Crossing
Posted

As in the tolerances

  • Member
  • Member For: 15y 8m 8d
Posted

Is the car ACTUALLY overboosting? Have you got a boost gauge on it? If not, that's your first point of call!!

After that...

Yes, ported wastegate can help but only if the tune is setup correctly.

  • Legacy Donating Member
  • Member For: 16y 4m 18d
  • Gender: Male
  • Location: Hoppers Crossing
Posted

Hmm I'll get it all sussed out on Saturday going to the tuner Saturday morning and spending the day on it till its right... Any more info is great though as I can pass it all on and check it out

Sent from my HTC One XL using Tapatalk 2

  • Legacy Donating Member
  • Member For: 16y 4m 18d
  • Gender: Male
  • Location: Hoppers Crossing
Posted

ok so had the car tuned again today, improvement in performance again but no go in fixing the issue with the DTC

this guy has tuned HEAPS of BAs BFs n FG turbos and my car is the only one hes had this issue with.

to make the problem even more confusing as soon as the out side air temp drops below 20degrees is when it starts boost cutting and throwing this dtc, when ever its over 20degrees out side I can thrash the sh*t out of it non stop and it wont fricken do it!!

im convinced its a mechanical issue with either the IAT sensor, Wastegate actuator or the Wastegate solenoid.

what do you all think???? :( :( :(

  • ...JD TUNING ADELAIDE...
  • Legacy Donating Member
  • Member For: 18y 3m 27d
  • Gender: Male
  • Location: Adelaide
Posted

Just replace all Of them simple and not that exxy

  • Like 1
  • Member
  • Member For: 20y 4m
  • Gender: Male
  • Location: @ my laptop
Posted

think your wasting money replacing parts with out testing them or data logging

  • Like 1
  • Legacy Donating Member
  • Member For: 16y 4m 18d
  • Gender: Male
  • Location: Hoppers Crossing
Posted (edited)

we did data logging today but it was hot outside and the car was running fine, till this afternoon now that the temp has dropped 10degrees its playing up again.

come to think about it the MAP sensor was reading 150kpa lol which worked out to be about 27psi but it was only running on 13

looks like ill be throwing a map sensor in it too :-/

Edited by gmhkla
  • Member
  • Member For: 20y 4m
  • Gender: Male
  • Location: @ my laptop
Posted

You have either 1 of 3 issues or possibly a couple combined

Your tuner does not know what to adjust

The HP does not allow correct turbo control

Your wastegate is not controlling the boost correctly, but either of the above can stop this from setting the code

still believe one of these to be your issue

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