Need Help for Code - 17521 P1113 B1-S1
#1
Need Help for Code - 17521 P1113 B1-S1
What is this code stand for?? I presume it is related to the front 02 sensor since my AR is about 7 years old.... However, my mechanic said, it should be the Cat consisted of too much carbon which needs to install a new one at both pipes??
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