FixVault

Possible Causes

Possible Causes 
INTERMITTENT DTC
(K857) 5 VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE
(K1) MAP SIGNAL CIRCUIT SHORTED TO VOLTAGE
(K1) MAP SIGNAL CIRCUIT SHORTED TO THE (K857) 5 VOLT SUPPLY CIRCUIT
(K1) MAP SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE
(K900) SENSOR GROUND CIRCUIT OPEN OR HIGH RESISTANCE
MAP SENSOR
POWERTRAIN CONTROL MODULE (PCM)

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