FixVault

Possible Causes

Possible Causes 
INTERMITTENT DTC
MAP SENSOR WIRING OR CONNECTORS
(F856) 5 VOLT SUPPLY CIRCUIT HIGH RESISTANCE
(K1) MAP SIGNAL CIRCUIT HIGH RESISTANCE
(K900) SENSOR GROUND CIRCUIT HIGH RESISTANCE
MAP SENSOR

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