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Possible Causes

Possible Causes 
INTERMITTENT DTC
(K857) 5 VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE
(K602) MFV SIGNAL CIRCUIT SHORTED TO VOLTAGE
(K857) 5 VOLT SUPPLY CIRCUIT SHORTED TO GROUND
(K602) MFV SIGNAL CIRCUIT SHORTED TO GROUND
(K857) 5 VOLT SUPPLY CIRCUIT SHORTED TO THE (K602) MFV SIGNAL CIRCUIT
(K857) 5 VOLT SUPPLY CIRCUIT SHORTED TO THE (K900) SENSOR GROUND CIRCUIT
(K602) MFV SIGNAL CIRCUIT SHORTED TO THE (K900) SENSOR GROUND CIRCUIT
(K857) 5 VOLT SUPPLY CIRCUIT OPEN OR HIGH RESISTANCE
(K602) MFV SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE
(K900) SENSOR GROUND CIRCUIT OPEN OR HIGH RESISTANCE
MANIFOLD FLOW VALVE
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

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