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 next procedure.

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

▶ Check for corrosion on terminals

▶ Cehck for damaged wiring

▶ Check 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.