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Im still working on this, The PCM cannot correct this problem. The codes don't mean much to the average person. They give you an idea where to start looking. Maybe a bad fuel injecter, bad cam sensor etc.

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โˆ™ 2006-04-15 15:09:43
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Q: 1997 Mazda 626 with engine light code 171 system to lean bank 1 you have all ready changed both o2 sensors and cleaned the mass air flow sensor?
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