One problem related to service engine light on has been reported for the 2001 Chevrolet Blazer. The most recently reported issues are listed below.
The consumer owns two GMC vehicles with the same problem. The consumer received nets recall 05v155000 on one of the vehicles but not for the other. The problem was with the fuel module reservoir assembly. Since the VIN was not included they would not correct the problem. (12/02/05) the service engine light soon stayed on and the fuel gauge did not work properly.