KTM 2013 450 EXC SIX DAYS EU Owner's Manual page 108

21 BLINK CODE
Blink code FI warning lamp (MIL)
Error level condition
45 FI warning lamp (MIL) flashes 4x long, 5x short
EXC EU, EXC SIX DAYS
Lambda sensor heater cylinder 1, sensor 1 - short circuit to ground or open circuit
EXC EU, EXC SIX DAYS
Lambda sensor heater cylinder 1, sensor 1 - input signal too high
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