2002 GMC Sierra Engine light and DIC message

2002 GMC SIERRA
130,000 MILES • V8 • 4WD • AUTOMATIC
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For teh second time, after parking for about 15-30 minutes, I started truck and it gave DIC message Engine Power Low and the check engine light was on.
After several starts the DIC message went away adn I drove home 10 miles. i turned it on adn off about 5 times, then had teh idea of resetting the oil change signal. This turned teh warning light off. It is cool between 30 adn 45 degrees. My engine temp is fine below 200 and full of coolant. Any ideas before I take it in for a code check?
Jan 1, 2010 at 9:21 PM
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