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The mkiv Supra Owners Club

Greddy profec problems


Tommyd16
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Installed my new greddy profec last week. Everything has been fine. Set up well then last night driving on the motorway I floored it a little and the limiter went off and was reading 3 bar! I sh*t myself and pulled over as soon as I could to have a look about. Everything seemed fine and the other boost gauge was reading normal. I turned off the boost function and the screen display was fluctuating between 2 and 3 bar but the Seperate boost gauge was reading ok - vacuum etc ok and gauge and the boost controller "processor" if you come off the same hose so I don't understand the issue unless the boost controller is fudged already? :(

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