Rick's Free Auto Repair Advice

Posts Tagged: Honda cod P0302

P0420 Honda

P0420 Honda Honda has issued a service bulletin to address a Honda code P0420 Catalyst system efficiency below threshold on 1996-00 Honda Civic DX, LX, EX vehicles. The bulletin also addresses Honda cod P0301 Number 1 cylinder misfire detected, Honda code P0302 Number 2 cylinder misfire detected, P0303 Number 3 cylinder misfire detected, P0304 Number 4 cylinder misfire detected. Honda has determined that the cause of the misfires may be poor connections at the igniter terminals. Start by crimping the wires from the distributor subassembly. Then clear the Honda codes … Read More

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