https://stream.echo6.co/videos/watch/57c48ccb-03c2-4dec-8f12-837c4736c1b2 Owner drove his 2016 Cadillac CTS AWD to PHAD from out-of-state to diagnose a pesky CHECK ENGINE Light problem that is preventing him from getting the NYS Emissions Inspection. One code is stored: P159F-00 Fuel Economy Mode Switch Circuit Low Voltage Let's do some research on this "Fuel Economy Switch" and see why the ECM is fussing about the circuit. Owner obviously already replaced the switch on the console, and nothing changed. Will we be able to Diagnose and Repair this Fancy Cadillac with NO PARTS REQUIRED? Place Your Bets Now! 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 UY CHAN TS101 SOLDERING IRON: https://www.amazon.com/dp/B01MD12DYT?linkCode=ssc&tag=onamzpineholl-20&creativeASIN=B01MD12DYT&asc_item-id=amzn1.ideas.H4433MU1BH5V&ref_=aip_sf_list_spv_ons_mixed_d_asin AstroAI Digital DC AMP Clamp Meter: https://www.amazon.com/dp/B08MTCMWLB?linkCode=ssc&tag=onamzpineholl-20&creativeASIN=B08MTCMWLB&asc_item-id=amzn1.ideas.UKPVIGM4POWZ&ref_=aip_sf_list_spv_ofs_mixed_d_asin TOPDON TORNADO 90000 BATTERY CHARGER: https://www.amazon.com/dp/B09XV64Q49?linkCode=ssc&tag=onamzpineholl-20&creativeASIN=B09XV64Q49&asc_item-id=amzn1.ideas.UKPVIGM4POWZ&ref_=aip_sf_list_spv_ofs_mixed_d_asin Enjoy! Ivan Wed, 10 Jun 2026 08:37:53 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/57c48ccb-03c2-4dec-8f12-837c4736c1b2 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.