Polaris 600 Fusion - Manual (Page 34)

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FEATURES
Detonation Elimination Technology (D.E.T.)
DET Troubleshooting
Use this chart to determine causes and solutions for detonation. If none
of these conditions exists and the sensor remains activated, see your
Polaris dealer for diagnosis.
Sensor Fail-Safe
The DET includes a sensor fail-safe system to prevent the engine from
damage if the sensor fails, becomes disconnected or is unable to detect
detonation. The rider will experience a loss in power. The sensor must
be reconnected or repaired to regain full power.
NOTE: The DET light will flash six times if the sensor fails or becomes
disconnected.
Possible Cause Solution
Poor quality fuel Replace with higher quality fuel
Improper engine modifications Do not modify the engine
Incorrect jetting Use the correct jetting for your altitude