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How to test idle control valve 89 240 200

posted by  Herb Goltz on  Fri Oct 31 04:09 CST 2008
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last visit: Fri Oct 24 13:23 CST 2014
[RELATED]

Take it out, and power it up by applying 12V across the two pins-- it should open completely with little delay. When you remove the voltage it should close quickly too. While it is powered open you can clean it out well with carb cleaner and Q-tips.

I have made a tool for cleaning these valves using a piece of the wiring harness of a junker with the appropriate connector and a length of wire with alligator clips to attach to the car battery. That way I can clean the valve very thoroughly.

Good luck!






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