Stanza L4-2389cc 2.4L SOHC MFI (KA24E) (1991)
Auxiliary Air Control (AAC) Valve: Testing and Inspection
Fig. 134 AAC Valve Inspection
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.