Subjects>Auto>American Cars

Rough idle in a 1997 Chevy Silverado?

Anonymous

∙ 16y ago

Updated: 10/21/2022

If you know the spark plugs and wires are good, then check for a vacuum leak. The vehicle is 11 years old, and you may very well have a crack in a vacuum hose. A leaking intake manifold gasket will also cause rough idle.

Wiki User

∙ 16y ago

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