https://stream.echo6.co/videos/watch/5ead57ed-8883-445a-b72c-c7e0721062c9 This 2009 Buick Lacrosse came to my friend's shop because it could not pass the NYS Emissions Inspection. Shop owner says that the P0171-Fuel System LEAN code is always present, and a P0507-Idle RPM Too HIGH code comes on occasionally. Let's follow the DATA and see if we can isolate the root cause of the customer complaint without wasting any time. TOPDON Phoenix Plus: https://www.amazon.com/dp/B091BQNR3S?linkCode=ssc&tag=onamzpineholl-20&creativeASIN=B091BQNR3S&asc_item-id=amzn1.ideas.NHZL00NIDEPF&ref_=aip_sf_list_spv_ofs_mixed_d_asin Enjoy! Ivan Wed, 10 Jun 2026 10:03:49 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://stream.echo6.co https://stream.echo6.co/client/assets/images/icons/icon-512x512.png https://stream.echo6.co/videos/watch/5ead57ed-8883-445a-b72c-c7e0721062c9 All rights reserved, unless otherwise specified in the terms specified at https://stream.echo6.co/about and potential licenses granted by each content's rightholder.