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P0411
I had this code, I checked out the secondary air injection pump and it was functioning normally, pumps ran, vaccuum powered valve worked. This error is reported to ECU by #1 oxygen sensor which I replaced and the light never came back, car starts easier now when hot. $99.00 part at partsshop
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1995 c220 (harness issues sold) 1999 clk 320 cabriolet |
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