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P1420 Diagnostic Trouble Code Discussion for January 2015

NOX Adsorptive Catalytic System Efficiency Too Low


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Trouble Ticket Help Requests for DTC P1420
Help Request Posted
1999 Mercedes-Benz C230 Kompressor 2.3L Poor Idle Quality, Surge, Stall VIN: WDBHA24G9X
P1420: air pump switch over valve. we have had this car for a month cant get anywhere on it. start the car up takes about 4 or 5 times to get it to run first couple tries it always dies no matter if u give it gas or not. after getting it to run still has very ruff idle and back fires. tested su...
January 27, 2015
1999 Mercedes-Benz C230 Kompressor 2.3L Poor Idle Quality, Surge, Stall VIN: WDBHA24G9X
P1420: air pump switch over valve. we have had this car for a month cant get anywhere on it. start the car up takes about 4 or 5 times to get it to run first couple tries it always dies no matter if u give it gas or not. after getting it to run still has very ruff idle and back fires. tested su...
January 29, 2015