Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2021 Lexus RC F Fuji Speedway EditionFACTORY OEM SERVICE PROCEDURE
Engine Control System - Diagnostic Codes (7 Of 9)
- SFI System
- DTC P11EA: Bank 1 Air-Fuel Ratio Imbalance (Port); DTC P11EB: Bank 2 Air-Fuel Ratio Imbalance (Port); DTC P11EC: Cylinder 1 Air-Fuel Ratio Imbalance (Port); DTC P11ED: Cylinder 2 Air-Fuel Ratio Imbalance (Port); DTC P11EE: Cylinder 3 Air-Fuel Ratio Imbalance (Port); DTC P11EF: Cylinder 4 Air-Fuel Ratio Imbalance (Port); DTC P11F0: Cylinder 5 Air-Fuel Ratio Imbalance (Port); DTC P11F1: Cylinder 6 Air-Fuel Ratio Imbalance (Port); DTC P11F2: Cylinder 7 Air-Fuel Ratio Imbalance (Port); DTC P11F3: Cylinder 8 Air-Fuel Ratio Imbalance (Port); 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; DTC P21A2: Cylinder 7 Air-Fuel Ratio Imbalance; DTC P21A3: Cylinder 8 Air-Fuel Ratio Imbalance [09/2014 - 10/2015]
- DTC P11EA: Bank 1 Air-Fuel Ratio Imbalance (Port); DTC P11EB: Bank 2 Air-Fuel Ratio Imbalance (Port); DTC P11EC: Cylinder 1 Air-Fuel Ratio Imbalance (Port); DTC P11ED: Cylinder 2 Air-Fuel Ratio Imbalance (Port); DTC P11EE: Cylinder 3 Air-Fuel Ratio Imbalance (Port); DTC P11EF: Cylinder 4 Air-Fuel Ratio Imbalance (Port); DTC P11F0: Cylinder 5 Air-Fuel Ratio Imbalance (Port); DTC P11F1: Cylinder 6 Air-Fuel Ratio Imbalance (Port); DTC P11F2: Cylinder 7 Air-Fuel Ratio Imbalance (Port); DTC P11F3: Cylinder 8 Air-Fuel Ratio Imbalance (Port); 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; DTC P21A2: Cylinder 7 Air-Fuel Ratio Imbalance; DTC P21A3: Cylinder 8 Air-Fuel Ratio Imbalance [10/2015 - 11/2017]
- DTC P11EA: Bank 1 Air-Fuel Ratio Imbalance (Port); DTC P11EB: Bank 2 Air-Fuel Ratio Imbalance (Port); DTC P11EC: Cylinder 1 Air-Fuel Ratio Imbalance (Port); DTC P11ED: Cylinder 2 Air-Fuel Ratio Imbalance (Port); DTC P11EE: Cylinder 3 Air-Fuel Ratio Imbalance (Port); DTC P11EF: Cylinder 4 Air-Fuel Ratio Imbalance (Port); DTC P11F0: Cylinder 5 Air-Fuel Ratio Imbalance (Port); DTC P11F1: Cylinder 6 Air-Fuel Ratio Imbalance (Port); DTC P11F2: Cylinder 7 Air-Fuel Ratio Imbalance (Port); DTC P11F3: Cylinder 8 Air-Fuel Ratio Imbalance (Port); 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; DTC P21A2: Cylinder 7 Air-Fuel Ratio Imbalance; DTC P21A3: Cylinder 8 Air-Fuel Ratio Imbalance [11/2017 - ]
- DTC P1235: High Pressure Fuel Pump Circuit; DTC P1236: High Pressure Fuel Pump No. 2 Circuit [09/2014 - ]
- DTC P1276: Port Injector Circuit #1; DTC P1277: Port Injector Circuit #2; DTC P1278: Port Injector Circuit #3; DTC P1279: Port Injector Circuit #4; DTC P127A: Port Injector Circuit #5; DTC P127B: Port Injector Circuit #6; DTC P127C: Port Injector Circuit #7; DTC P127D: Port Injector Circuit #8 [09/2014 - ]
- DTC P1340: Camshaft Position Sensor "A" (Bank 1 Sensor 2); DTC P1342: Camshaft Position Sensor "A" Low Input (MRE); DTC P1343: Camshaft Position Sensor "A" High Input (MRE) [09/2014 - ]
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.