ronzilla Posted September 29, 2019 Share Posted September 29, 2019 Hi guys, I took the car out today and noticed that the car doesn't build boost on WOT (wide open throttle). The car can build boost on half a throttle to like 5-8psi but as soon as I plant my foot down the boost just went down straight to 0psi. I tried to put it on TTC and that didn't help either. And it is important to note that the car doesn't smoke whatsoever and drives perfect off-boost. I only bought the car like 3 months ago and its giving me a problem already -_- Any idea when do I have to start ? Thank you ! Quote Link to comment Share on other sites More sharing options...
Samurai 20V Posted September 29, 2019 Share Posted September 29, 2019 If TTC not helping then you have a vacuum hose leaking somewhere or a failed pressure tank. Check the ones leading to the IACV VSV, very common one to give issues. With the age of these cars, I would replace all the vacuum lines, pressure tank & VSV's. Expoensive exercise, but worthwhile if keeping the stock twins. Trying to find & resolve issues 1 by 1 is a pain. Quote Link to comment Share on other sites More sharing options...
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