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1989 chev truck 305 idles too high How do you turn down the idle?
Wiki User
∙ 15y ago
There is no idle ajustment on a TBI, It is precailbrated and sealed from the factory DO NOT FULL WITH IT AT ALL..... You have another problem like a vaccum leak under the throttle body, are some where.
Wiki User
∙ 15y ago
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