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Home >> Mazda >> 2007 >> 6 Mazdaspeed >> Repair and Diagnosis >> Electrical >> Horns >> Instrumentation/Driver Info >> Instrument Cluster Input/Output Check Mode >> Inspection of Check Codes >> Check code 16
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Check code 16

CHECK CODE 16 DIAGNOSTIC PROCEDURE

Check code 16  Operation signal to fuel-level warning light 
INSPECTION INDICATION SITUATION ACTION
Wait for 2 seconds  after selecting check code 16.
G04327748
Fuel-level warning light turns on and off three times.  Fuel-level warning light is okay.
Other than stated above. Replace instrument cluster.