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Home >> Lexus >> 2017 >> IS 300 F Sport >> Repair and Diagnosis >> External Pages >> Different car >> Section 16 (Engine Control System (4GR-FSE) - Diagnostic Codes (5 Of 5) & Circuit Tests) >> SFI System >> DTC P219A: Bank 1 Air-Fuel Ratio Imbalance; DTC P219B: Bank 2 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; DTC P21A0: Cylinder 5 Air-Fuel Ratio Imbalance; DTC P21A1: Cylinder 6 Air-Fuel Ratio Imbalance [04/2013 - 08/2015] >> Monitor Strategy

Monitor Strategy

WARNING: This page is about a different car, the 2015 Lexus IS 250 and 2014 Lexus IS 250. 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)
P219B: Air fuel ratio cylinder imbalance monitor (Bank 2)
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)
P21A0: Air fuel ratio cylinder imbalance monitor (Cylinder 5)
P21A1: Air fuel ratio cylinder imbalance monitor (Cylinder 6)
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
MIL Operation 2 driving cycles
Sequence of Operation None
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