Detroit DD16 EPA07 (2007-09) Fault Code: SPN 4259 FMI 3 (MCM) Fuel Injector # 4, 5 or 6 Amplifier Control Valve Circuit Has a Short to Battery/Power
PROBABLE CAUSES:
1. Short to power between pin 1 of the rear fuel injector harness 14-pin connector and pin 4 of the 120-pin ECM connection.
2. Short to power between pin 8 of the rear fuel injector harness 14-pin connector and pin 8 of the 120-pin ECM connection.
3. Short to power between pin 12 of the rear fuel injector harness 14-pin connector and pin 6 of the 120-pin ECM connection.
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