The Best 02 Tahoe Check Engine Light Flashing Ideas. When the check engine light is flashing in tahoe, it indicates that there is a significant problem with the engine that requires immediate attention. Web a flashing check engine light on a tahoe indicates that the computer system has detected a misfire in the ignition system.

Web well i have 3 codes. Web if your chevy tahoe has a flashing check engine light means that there is a catalyst damaging misfire (it can damage the catalytic converter and o2 sensors). Don't drive it like this.





