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  1. Have P 0171 Bank 1 system lean code

    New Member Forum
    Bought a used 2003 Turbo 1.8 liter vw Beetle. It has 90,000 miles. Took to a new shop, that my normal shop knew.(They don't work on Vw) After a week of excuses finally fixed, check engine reappeared 24 hours later. They won't answer my calls. They replaced both o2 sensors and the MAF...
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