One problem related to check engine light on has been reported for the 2000 GEO Prizm. The most recently reported issues are listed below.
: the contact stated after starting the engine, the check engine light illuminated and has been constantly illuminated for the past five years. Although the vehicle was seen by a dealer numerous times for this condition, the service department was unable to determine the source of the illumination. The vehicle displayed no obvious problems.
| Check Engine Light On problems | |
| Engine Exhaust System problems |