What can cause "RUNNING ON LOW POWER??? on 2004 Chevrolet Silverado 2500 HD

The engine warning light has been on for about a week. Today LOW POWER came on. I turned off car, and restarted after 10 minutes. It worked for a while, and repeated till I arrived home.

by in Palm Desert, CA on March 24, 2013
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1 answer
ANSWER by , March 24, 2013
check for codes most auto parts stores let you use theres for free