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throttle body 700 1989

posted by  someone claiming to be marty on  Thu Feb 19 00:01 CST 2004 [RELATED]

What is that,oops, '89 760turbo, little knob on the bottom of the throttle body?
Also, how much play should be allowed in the little cables wrapping around the t/b? I think I may have 3 or 4.
thanks,
marty








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throttle body 700 1989

posted by  someone claiming to be JohnB on  Thu Feb 19 01:46 CST 2004 [RELATED]

The knob adjusts the idle speed when you ground out the rpm signal to the ecu, what, the green/white wire on the passenger side near the wheel well? You adjust the tb bypass air with that knob, then unground the wire and the ecu recognizes the new idle speed as the correct value to aim for when cycling the AIC motor.

The TPS has to be closed for this to work...you can't adjust idle speed with the throttle butterfly adjustment screw!!







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