Posted 22 July 2019 - 03:23 PM
All the usual things checked - fault codes, leak check in vacuum and pressure side and turbo, new solenoids etc. Been to BOT but still the same.
Is this how VXTs actually run? It has Courtenay stage 2 upgrade. Plenty of torque at lower end. Don’t understand why boost dies
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Posted 22 July 2019 - 05:37 PM
these cars are setup to over boost then hold 3 psi or so lower
E.g Stage 2 is around 15/16psi over boost for a second or so then hold around 12-13psi.
If your car does this, this is normal if he peaks at 15psi then falls below 10 or even lower you have an issue, or boost leak
Also worth noting you will not hold high boost in low gears, so do a 4th gear pull from say 40mph and the boost guage shoot go round peak then fall back a little bit
Edited by scw02102, 22 July 2019 - 05:38 PM.
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