Checking Air Leakage and Component

Checking Air Leakage And Component







Check the exhaust system for air leakage.

If no air leakage is found on the exhaust system, replace the front heated oxygen sensor (bank 1).

If the above troubleshooting does not fix the problem, try with a new front catalytic converter (bank 1).

Remedy as necessary.

Other Information:
- Air leaks in the intake system, checking
- Heated oxygen sensor (HO2S), replacing
- Exhaust manifold/gasket, cylinder 1, 3, 5 and 7 (bank 1), replacing

Continue: Refer to Verification. Verification