FixVault

Possible Causes

Possible Causes 
VACUUM LEAK
MAP SENSOR CIRCUIT(S) OPEN, SHORTED, OR HIGH RESISTANCE
THROTTLE POSITION SENSOR CIRCUIT(S) OPEN, SHORTED, OR HIGH RESISTANCE
MAP SENSOR
THROTTLE POSITION SENSOR
POWERTRAIN CONTROL MODULE (PCM)

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