Question about Chevrolet Chevy
You need to check that you have no vacum leaks in the intake system first.
Then get the Idle valve checked and make sure that this is set correctly.
Most Idle problems occur because of vacum leaks so this is what would be the main problem.
Attach a vacum gauge to a vacum hose port and start the engine if the vacum is unsteady then start looking at vacum hose's, inlet tract hose leaks and then inlet manifold leaks.
Let me know how you get on and if you need further information.
Posted on Oct 06, 2010
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Posted on Jan 02, 2017
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