I just replaced my Turbocharger vacuum modulator bc it was loudly buzzing and horrible take off, and now it's still buzzing, but I have a better response ever since I replaced my thermostat and the modulator also is it supposed to buzz, or is it supposed to be quiet? Mabe, the sylinoid is what's causing it. idk I did do the bypass, and it does slightly better, but idk what do u guys think. It's consuming way to much fuel.
(MORE THAN A HALF A TANK IN JUST OVER 100 MILES!!!)


Another thing. If my turbo has a super little play dose that indicates premature turbo failure?

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It should not be making any buzzing sounds! Check your wiring harness for any rubs or shorts and all connections at modulator valve and at the ECM connection.
Low boost will cause excessive fuel usage.

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