2004 Chevrolet Silverado 2500 HD Q&A

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

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. -
Answer 1
check for codes most auto parts stores let you use theres for free -