Hey, so I have a 07 subie wrx wagon.. When I am driving around town then my car is fine and boost seems fine... But when I go on longer trips then at high rpms it seems to lag and loose boost.. I am wondering what could cause this.. Please anyone help... Thanks a ton...
Does the car seem to jump when boosting at high rpm?
When you drive around town its probably fine because you aren't really using that much boost but on the highway is when you really use it more with more pressure so my guess would be a boost leak.
Do you have a boost gauge?
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