One problem related to service engine light on has been reported for the 2001 Chevrolet Silverado. The most recently reported issues are listed below.
Every time the weather is bad, mainly rain, the service engine soon light flashes, and the truck jumps. Sometimes fuel injector cleaner will help, and 2 times the distributor has been damaged. The incident date was the first time the distributor went out, and stranded me in the middle of an intersection, no accidents thankfully. The second time was April 20,2003 after warranty on the first was over.