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Dont know if this is relevant, but my c34 does that on occasion, boost it normally runs is 11psi but sometimes it wont go past 7, turn it off wait a few minutes and its back to normal, I believe in an older thread you guys said this was something to do with the fact that stags run 7psi out of the factory and a computer hicup can cause it to limit itself to factory boost temporarily or something along those lines? So if your running an aftermarket boost controller that may be why.

boost leak or wastegate stuck open?

get your head under the bonnet and check all inlet hoses for splits in hoses etc

have you done any thing to it lately, happened suddenly, getting worse?

Daniel will have a good look tomorrow problem being can,t see damn all around the v donks. Car seemed ok this morning it was when I was going to give a mitsoshitty lancer a seeing to that I realised lack of go, so yes happen suddenly.

Dont know if this is relevant, but my c34 does that on occasion, boost it normally runs is 11psi but sometimes it wont go past 7, turn it off wait a few minutes and its back to normal, I believe in an older thread you guys said this was something to do with the fact that stags run 7psi out of the factory and a computer hicup can cause it to limit itself to factory boost temporarily or something along those lines? So if your running an aftermarket boost controller that may be why.

Chris car runs factory boost so I,ll try again in the morning to see if it was a computer glitch if not back to head scratching or trip to Gold Coast to see specialist.

Gerry, have you ran a check for error codes yet?

The system may know what is wrong and give you an indication of where to look.

Worth a check before you take it to a specialist, could be something easily repairable by yourself or a small time mechanic.

Good luck.

Thanks everybody for your suggestions to my loss of performance but checked everything this morning and all looked ok so took it for a test run and it seems fine so we,ll see, shame really as it would have been a good excuse to get some more horsepower.

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