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Home >> Toyota >> 2016 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 25 (SFI System [1AR-FE] - Diagnostic Codes - (Except Hybrid) (5 Of 8)) >> SFI System >> DTC P219A: Bank 1 Air-Fuel Ratio Imbalance; DTC P219C: Cylinder 1 Air-Fuel Ratio Imbalance; DTC P219D: Cylinder 2 Air-Fuel Ratio Imbalance; DTC P219E: Cylinder 3 Air-Fuel Ratio Imbalance; DTC P219F: Cylinder 4 Air-Fuel Ratio Imbalance [11/2016 - ] >> Monitor Strategy

Monitor Strategy

WARNING: This page is about a different car, the 2019 Toyota Highlander, 2018 Toyota Highlander, and 2017 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
Related DTCs P219A: Air fuel ratio cylinder imbalance monitor (Bank 1)
P219C: Air fuel ratio cylinder imbalance monitor (Cylinder 1)
P219D: Air fuel ratio cylinder imbalance monitor (Cylinder 2)
P219E: Air fuel ratio cylinder imbalance monitor (Cylinder 3)
P219F: Air fuel ratio cylinder imbalance monitor (Cylinder 4)
Required Sensors/Components (Main) Air fuel ratio sensor
Crankshaft position sensor
Required Sensors/Components (Related) Mass air flow meter sub-assembly
Engine coolant temperature sensor
Vehicle speed sensor
Frequency of Operation Once per driving cycle
Duration 10 seconds: P219A
30 seconds: Others
MIL Operation 2 driving cycles
Sequence of Operation None
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