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Really high idle

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Old May 2, 2005 | 11:12 AM
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kona
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Default Really high idle

Okay I am stumped and could use some advice. My 1980 with a 350 and 200r4 has run flawlessly for the last couple of years. All of a sudden whenever I start my car it revs up to about 2200 RPMS and won't come down for at least two or three minutes.
I have checked the connection to my electric choke, checked for binding in the linkage and throttle cable and all my vaccum lines. It's a four barrel anything else I should look for or check? seems to run nornal after it is warmed up.

Kona
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Old May 2, 2005 | 11:31 AM
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You checked most of the items I would recommend. I have a Holley 6000 series carb with mechanical choke. I had the same problem and the choke linkage was kinked and preventing one of the other levers from moving. I just opened and closed and all the linkages, and butterfly valves until I heard a mechanical clink, and then everything ran smooth.

Hope you find the problem.

kdf
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Old May 2, 2005 | 12:46 PM
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Check your vacuum pots on the carb. Even if the linkage is free, the vacuum diaphragm may be leaking and not actuating.
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