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Rough Warm Up 1800 1970

posted by  walrus3 on  Sun Mar 6 14:47 CST 2005
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last visit: Mon Dec 2 14:20 CST 2013
[RELATED]

There is a plastic knob on the back of the computer, reachable through a hole
in the bracket. If you turn that to the left, it may improve the rich idle,
assuming that there is not another problem. What happens that seems to correct
the problem is that the auxiliary air valve closes when it gets warm.
(I have seen very few of these that actually work.) The purpose of the
auxiliary air valve is to make it idle faster till it warms up.
You might want to check the connections to your coolant temp sensor and your
manifold air pressure sensor, including the hose on the MAPSensor.
--
George Downs Bartlesville, Heart of the USA!






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