Mazda Tribute 2001-06

3.0L V6 VIN 1 Std


3.0L V6 VIN 1 Std

Trouble Code: P0430

Catalyst Efficiency Below Normal (Bank 2)

Possible Causes:

Air leaks at the exhaust manifold or in the exhaust pipes
Catalytic converter is contaminated, damaged or has failed
Front HO2S and/or the rear HO2S is loose in the mounting hole
Front HO2S older (aged) than the rear HO2S (HO2S is lazy)
Front HO2S or rear HO2S is contaminated with fuel or moisture