Toyota Tundra Service Manual: Diagnostic Trouble Code Chart

Data List / Active Test

Door Courtesy Switch Circuit

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Toyota Tundra Service Manual > Sfi System: System Too Lean (Bank 1) (P0171,P0172,P0174,P0175)
DESCRIPTION The fuel trim is related to the feedback compensation value, not to the basic injection time. The fuel trim consists of both the short-term and long-term fuel trims. The short-term fuel trim is fuel compensation that is used to constantly maintain the air-fuel ratio at stoichiometric lev ...