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Home >> Dodge and Ram >> 2008 >> Magnum Base >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P0330 To P0461 >> P0406-EGR Position Sensor Circuit High >> Possible Causes
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Possible Causes

Possible Causes 
INTERMITTENT DTC
(F856) 5 VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE
(K34) EGR SIGNAL CIRCUIT SHORTED TO VOLTAGE
(K34) EGR SIGNAL CIRCUIT SHORTED TO THE (F856) 5 VOLT SUPPLY CIRCUIT
(K34) EGR SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE
(K900) SENSOR GROUND CIRCUIT OPEN OR HIGH RESISTANCE
EXHAUST GAS RECIRCULATION VALVE
POWERTRAIN CONTROL MODULE (PCM)

Perform *PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .