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Alright dudes, I installed my manual boost controller, which I think is correctly but this is why I am starting this topic. I also recently installed an after market boost gauge so i can get some accurate readings. When I run with no MBC I am hitting 10psi on the guage...which I assume is normal. When I install my MBC it will hit up to 15, then slowly drop to 10 and stay at ten till i shift, then it will repeat...reach up to 15, slowly drop to 10. I can unscrew the MBC completly or screw it in and it will make no difference. I will always hit 15 and it will slowly drop as long as the MBC is in. When it is out...steady 10. WTF is the problem lol. 1990 Talon AWD Tsi.
I tried unplugging the sensor on the stock boost controller and I have just filled up with 92 octane. I heard that could be a problem...but still no dice.
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