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.
Secondary Shutter Valve (SSV) Operation Inspection
1999 Mazda 626 ES, 2.5 D, StandardSECTION Secondary Shutter Valve (SSV) Operation Inspection
WARNING: This page is about a different car, the 2005 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.
- Connect the WDS or equivalent to the DLC-2.
- Access the RPM PID.
- Start the engine.
- Inspect rod operation under the following conditions:
ROD OPERATION DESCRIPTION - SSV OPERATION INSPECTION
| Engine speed | 6,000 RPM | |
|---|---|---|
| Below | Above | |
| Shutter valve actuator | Not operate | Operate |
- If the rod operation is not as specified, inspect as follows:
- Verify that DTC P0661, P0662 or P2070 is not displayed.
- If DTC P0661, P0662 or P2070 are shown, perform DTC inspection.
(See DTC TABLE .)
- If DTC P0661, P0662 or P2070 are shown, perform DTC inspection.
- Inspect the SSV solenoid valve.
(See SECONDARY SHUTTER VALVE (SSV) SOLENOID VALVE INSPECTION .)
- If the SSV solenoid valve is not normal, replace the SSV solenoid valve.
- If the SSV solenoid valve is normal, inspect the following:
- Vacuum hose and vacuum chamber for looseness or damage
- Shutter valve actuator
- Shutter valve stuck open or closed
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.