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