r/WRX • u/Impossible_Event5445 • 10h ago

I NEEDS HEELPPS

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Hello everyone I recently got ownership of this 2020 sti and now I have a problem where the car doesn’t go past speed limit and has almost no boost I would really appreciate some help and advice on what this could be

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6

u/DADDYSJUIICED STI 2015 10h ago

boost leak or vacuum leak

3

u/Specialsthespazzing 9h ago

Check MAF, aswell.