2019 Toyota Tacoma P0171 & P0174 Lean Code Diagnosis and Repair
Jack Fletcher · 17K views · 6:43
Skill Level
IntermediateTime Required
Half dayEstimated Cost
$50–200Equipment
Toyota Tacoma 2019Permit Required
NoTools Needed
OBD-II Scanner, Fuel Pressure Gauge, Socket Set, WrenchesIn this video, I want to walk you through my thought process for diagnosing a lean code on this 2019 Toyota Tacoma. Lean codes can be tricky, but understanding your long term fuel trim numbers is the key to successfully diagnosing the root issue.