Ford Ranger
Chevy Silverado
Toyota RAV4
Grand Prix SE

How do you fix code P1416 port air circuit malfunction on a 2001 silverado?

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October 27, 2005 10:35PM

you have a leak in the port side vacuum. try spraying choke cleaner with the straw on the end around the vacuum lines with the engine running, when you hear the engine rpm raise you just found the leak....