02 Chevy Tahoe/GMC Yukon Hard Start P0172, P0175, P0179 Diag Repair

In this video we track down a common problem associated with Chevy Tahoe and GMC Yukon vehicles with flex fuel engines with symptoms of a hard starting condition when cold or a flooded condition accompanied with an illuminated check engine light and stored codes P0141, P0161, P0172, P0175 and/or P0179. Follow along as I walk into the diagnostic steps and find the surprising cause for the fault. Subscribe now to The Car Doctor Channel