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Home >> Mazda >> 2004 >> MX-5 Miata L4-1.8L DOHC >> Repair and Diagnosis >> Powertrain Management >> Emission Control Systems >> Air Injection >> Air Injection Check Valve >> Testing and Inspection
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Air Injection Check Valve: Testing and Inspection

NONRETURN VALVE INSPECTION
1. Remove the nonreturn valve. (See FUEL TANK REMOVAL/INSTALLATION)
2. Verify that the nonreturn valve operates under its own weight.
- If the valve does not operate, replace the nonreturn valve.
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