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Home >> Toyota >> 2008 >> FJ Cruiser RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 934 (Engine Control System - Diagnostic Codes (1 Of 3)) >> DTC P0171, P0172, P0174, P0175: System Too Lean (Bank 1); System Too Rich (Bank 1); System Too Lean (Bank 2); System Too Rich (Bank 2) >> Monitor Strategy

Monitor Strategy

WARNING: This page is about a different car, the 2006 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
MONITOR STRATEGY TABLE

Related DTCs P0171: Fuel trim Lean (bank 1)
P0172: Fuel trim Rich (bank 1)
P0174: Fuel trim Lean (bank 2)
P0175: Fuel trim Rich (bank 2)
Required Sensors/Components (Main) Fuel system
Required Sensors/Components (Related) Air Fuel Ratio sensor, Engine coolant temperature sensor, Mass Air Flow meter, Crankshaft position sensor
Frequency of Operation Continuous
Duration Within 10 seconds
MIL Operation 2 driving cycles
Sequence of Operation None
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