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Mazda
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2005
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MX-5 Miata Mazdaspeed
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Repair and Diagnosis
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Engine Performance
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System
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Symptom Troubleshooting [Engine Control System BP, BP With TC)
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Engine Control System Operation Inspection
›
Variable Tumble Control System (VTCS) Operation inspection
›
Rod operation
Rod operation
ROD OPERATION
Engine speed (RPM PID) (RPM)
Tumble swirl control actuator
3,250 or less
Operate
3,250 or more
Not operate