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I am new to this forum, and I have a 98 explorer sport. My engine is setting code PO430, cat efficiency below threshold, bank 2. My question is simple though.... What side is bank 2? (driver/passenger)
BTW there is a TSB out on this problem before replacing stuff see whether the TSB applies as due to changes in what is laughingly called 'gasoline' but in reality is a witches brew of flammable solvents the caibration on the computer needs to be updated so that it can properly measure the residual 02 levels in the exhaust