240SX L4-2.4L (KA24DE) (1993)
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Auxiliary Air Control (AAC) Valve: Testing and Inspection
Auxiliary Air Control Valve Testing
1.
Check resistance of AAC valve with an ohm meter. Should be approximately 10 ohms.
Fig. 141 AAC Plunger Inspection
2.
Remove the valve and inspect the plunger for sticking.
3.
Inspect the spring for breakage. Replace the valve if it fails the above tests.