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Discussion Starter #1
Lost boost on my R33 GTR... No sounds or smoke, just a low spooling-up sound.. Just stopped making boost.. The pttsss pttsss pttsss sound when I go off the pedal is gone tough...

Could it be a wastegate-failure? Have checked all pipes etc...
 

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disconnect the vacuum lines to the actuators, and check if there's a difference, if there is then ther's a actuator, or boostcontrol problem.
 

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Discussion Starter #4
likely an intercooler hose has come loose.
Have checked hoses etc... How do I check out the AFM?

If there was something wrong with the turbos, there would be som kind of noice or smoke right?
 
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