FixVault
Home
›
Mazda
›
2003
›
6 i, Automatic
›
Repair and Diagnosis
›
Engine Performance
›
System
›
Engine Controls [Self-Diagnostics 2.3L]
›
Diagnostic Tests
›
DTC P2004: Variable Tumble Control System Shutter Valve - Stuck Open
›
Possible Causes
Possible Causes
Possible causes are:
Misconnection or pulled out vacuum hose
PCM malfunction
VTCS shutter valve actuator malfunction (stuck open)
VTCS shutter valve malfunction