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Carburetor chev 454 89 throttle body carb idol to high how to adjust?
Wiki User
∙ 14y ago
'89 Chevy used Throttle Body Injection, which is computer controlled. The throttle body is electronically controlled, and the idle is controlled by the computer. Check the IAC (idle air control) solenoid, and make sure it is working. It is a large cylindrical solenoid that screws into the throttle body, and should have a four wire connector on it. Also, the computer is programmed to raise the idle slightly if the A/C is on to keep the alternator charging, so be sure to check that.
Wiki User
∙ 14y ago
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You have your car flooding its a spirit wita 2.5 ltr engine and it has a throttle body carb on it but it just keeps pumping gas into the carb what could cause this prob?
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