P0420 code
Fusion p0420 code
I have changed the 02 sensor and cat then cleared code but it comes back and still runs bad
I noticed that there is blue white vapor coming from exhaust. Does it mean that I have bad injectors?
I noticed that there is blue white vapor coming from exhaust. Does it mean that I have bad injectors?
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Hi shawnjmatlock and welcome to the Ford Fusion Club. Take a look here for the causes/diagnostics/possible solutions of/for a P0420 DTC code: P0420 Catalyst System Efficiency Below ThresholdP0420
Keep us updated and good luck.
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