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P0422 Diagnostic Trouble Code Discussion for June 2005

Catalyst Efficiency Below Normal (Bank 1)

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Trouble Ticket Help Requests for DTC P0422
Help Request Posted
2000 Kia Sportage 2.0L No Start VIN: KNDJA7236Y
P0422: Catalyst Efficiency Below Normal (Bank 1). hi fellow techs. I am stumped, got this kia in on a hook for a no start. customer stated that going down the highway vehicle felt like it ran out of gas then caught itself then finally died. I have checked fuel, spark and injector pulse and all are good. am i...
June 14, 2005