Thread: Air Intake
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Old 09-21-2011, 05:33 PM
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SS4Luck SS4Luck is offline
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Quote:
Originally Posted by BlackHemI View Post
what is SD tuned? lol sorry
SD stands for speed density. Basically it means you dont have a mass air flow sensor telling your PCM how much and at what temperature air is coming into your engine.

Im not 100% on specifics, because it can vary from car to car, but it bases the instant tune needs off of manifold pressure, throttle position sensor and an IAT sensor??
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