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i got 2 codes from the check engine light, 14(iac) and 41(heated o2 sensor). could the faulty iac also cause a code 41? or vice-versa? or is it crap luck that both sensors went bad at the same time? thanks
one can throw the other. The IACV usually doesn't actually fail. You can try out another one and see what happens. My guess would be the o2 sensor however