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p2177 lean

  1. getting P2177 "system too lean off idle speed"

    MK4
    getting P2177 "system too lean off idle speed". my 2004 jetta (auto) has only 40k on it and i started getting code p2177. any idea what it is and what the solution is? A couple weeks ago i changed the air filter and the oil. No other service or mods has been done on the car. The guy at...
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