Thread: What happened!?
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#4: 04-04-2013, 11:17 PM
Title: Contributing V.P.
Location: Milwaukee
Car: 99 Legacy 2.5GT Toyota Supra 2jz/R154
Posts: 1,048
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Could be a stuck open IAC aka idle air control valve. They tend to get carbon up and get stuck which would allow too much air in and the engine will want to die. Any check engine lights?