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Mazda
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2002
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MPV ES
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - Self-Diagnostics
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Diagnostic Tests
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DTC P0660: Intake Manifold Communication Control Circuit - Malfunction
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Possible Causes
Possible Causes
Connector terminal malfunction.
IMCC actuator malfunction.
Open circuit between IMCC actuator harness connector and main relay.
PCM malfunction.
Short or open circuit between IMCC actuator and PCM harness connectors.