One problem related to check engine light on has been reported for the 1998 Chevrolet Blazer. The most recently reported issues are listed below.
Intermittently while driving at any speed, the check engine light begins to flash and the Blazer just cuts off. This has happened once when first starting the vehicle. The owner has had the Blazer at the dealer (5) times for this problem. 3 times the vehicle was towed. The dealer is not able to find out what is causing the Blazer to stop running.