Refer to "Shop Manual" and viasullay and/or physically inspect following conditions;

- Vacuum hoses for splits, kinks and improper connections.

- Exhaust system between O2 sensor and the Three way catalyst for air leakage.

- EVAP system for leakage.

- PCV hose for proper installation

Has any problems been found?

	▶ Repair as necessary and then go to "Verification of Vehicle Repair" procedure.
	▶ Go to "Visual Inspection" procedure.

Refer to "Shop Manual" and viasullay and/or physically inspect following conditions;

- Check exhaust system for an air leak.

- Check for corrosion on terminals.

- Check for damaged wiring.

- PCheck for good ground for O2 sensor.

Has any problems been found?

	▶ Repair as necessary and then go to "Verification of Vehicle Repair" procedure.
	▶ Go to "Wiring Inspection" procedure.