Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMAZDA20066 I, 4D SEDAN, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMSYMPTOM TROUBLESHOOTING [ENGINE CONTROL SYSTEM L3)ENGINE CONTROL SYSTEM OPERATION INSPECTIONVARIABLE TUMBLE SYSTEM OPERATION INSPECTION
2006 Mazda 6 i, 4D Sedan, Automatic
Variable Tumble System Operation Inspection
2006 Mazda 6 i, 4D Sedan, AutomaticSECTION Variable Tumble System Operation Inspection
- Connect the WDS or equivalent to the DLC-2.
- Access ECT PID.
- Verify that ECT PID is below 60°C {140°F} .
- Start the engine.
- Inspect rod operation under the following conditions:
Rod operation
ROD OPERATION
| Engine speed | 3,750 RPM | |
| Below | Above | |
| Shutter valve actuator | Operate | Not operate |
- If the rod operation is not specified, inspect as follows:
- Verify that DTC No. P2004, P2006, P2009 or P2010 is not displayed.
- If DTC No. P2009 or P2010 are shown, perform DTC inspection.
(See DTC TABLE ).
- If DTC No. P2009 or P2010 are shown, perform DTC inspection.
- Inspect Variable tumble solenoid valve.
(See VARIABLE TUMBLE SOLENOID VALVE INSPECTION ).
- If the Variable tumble solenoid valve is not okay, replace Variable tumble solenoid valve.
- If the Variable tumble solenoid valve is okay, inspect the following:
- Vacuum hose and vacuum chamber for looseness or damage
- Shutter valve actuator
- Shutter valve stuck open or closed
- Verify that DTC No. P2004, P2006, P2009 or P2010 is not displayed.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.