1997 jetta trek
my check engine light is on the code is p0172 "system bank 1 running too rich" . i've already replaced the o2 sensor in front of the catalytic convertor. and the light is still on any suggestions?!? ne 1 have the same problem??
my check engine light is on the code is p0172 "system bank 1 running too rich" . i've already replaced the o2 sensor in front of the catalytic convertor. and the light is still on any suggestions?!? ne 1 have the same problem??
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