Quote:
Originally Posted by sbourg
If idle is low, I would not suspect vacuum leaks.
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I want to correct this - unavoidable since a vacuum leak in ours DID cause a rough idle, after posting the above. Anyway, the input port of the vacuum check valve in the line from the manifold to the brake booster broke, causing both rough idle, power brake problems, and a lot of hissing under the hood.
Steve