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P200B Diagnostic Trouble Code Discussion for April 2013

insuffic. efficiency of cat bank1


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Trouble Ticket Help Requests for DTC P200B
Help Request Posted
2002 Mercedes-Benz C320 3.2L There no codes VIN: WDBRH64J62
P200B: Efficiency right cat is insufficient. Reset all fuel trims,no others codes, look for any reflashes,replace both cats,all sensors. Drive cycle just wont reset monitors for sensor 02, cats.
April 21, 2013
2002 Mercedes-Benz C320 3.2L There no codes VIN: WDBRH64J62
P200B: Efficiency right cat is insufficient. Reset all fuel trims,no others codes, look for any reflashes,replace both cats,all sensors. Drive cycle just wont reset monitors for sensor 02, cats.
April 21, 2013