One problem related to check engine light on has been reported for the 2004 Chevrolet Silverado 1500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Chevrolet Silverado 1500 based on all problems reported for the 2004 Silverado 1500.
Check engine light is on, fuel gauge not working, had heavy gas fumes when driving and after turning eng off, now I'm seeing gas leaking on pavement coming from underneath and between cab and bed, fumes are very strong, there's some electrical issues with dash lights and starting truck is now not wanting to start 1st try.