P0421 Mazda
P0421 code: warm up catalyst efficiency below threshold (bank 1) Отломился фланец глушака, вот наверное причина ошибки p0421 — mazda 323 Mazda converter 2003 catalytic protege
P0421 Warm Up Catalyst Efficiency below Threshold (Bank 1) #
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P0421 code: warm up catalyst efficiency below threshold (bank 1)
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