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  1. 1.8 Liter Turbo
    I have had a check engine light on for years. It is a 2001 VW beetle GLX 1.8T, 50k miles. The car gives the PO171 code which is running lean everything indicated a vacuum leak. I have changed all the vacuum lines and the code keeps coming back. The car runs fine, doesn't run rough or stall. I...
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