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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSACURA2015ILX 2.0L ENG VIN 1REPAIR AND DIAGNOSISENGINE PERFORMANCEENGINE CONTROL SYSTEMSENGINE CONTROL SYSTEM / ENGINE MECHANICAL - SERVICE, TESTING AND TROUBLESHOOTING (EXCEPT HYBRID)
2015 Acura ILX 2.0L Eng VIN 1
Engine Control System / Engine Mechanical - Service, Testing And Troubleshooting (Except Hybrid)
2015 Acura ILX 2.0L Eng VIN 1SECTION Engine Control System / Engine Mechanical - Service, Testing And Troubleshooting (Except Hybrid)
- Replacement
- Disassembly, Reassembly, and Inspection
- Check
- System Description
- Catalytic Converter - Overview (2016 2017 2018 2019 2020 2021 2022)
- Catalytic Converter - Overview(K24Z7) (2013 2014 2015)
- Catalytic Converter - Overview(R20A5) (2013 2014)
- Catalytic Converter - Overview(R20A5) (2015)
- EGR - Overview(R20A5) (2013 2014 2015)
- EVAP (KA, KC models) (2013 2014 2015)
- EVAP (KA, KC models) (2016 2017 2018 2019 2020 2021 2022)
- Electronic Throttle Control (2013 2014 2015)
- Electronic Throttle Control (2016 2017 2018 2019 2020 2021 2022)
- Intake Air System - Intake Manifold Tuning (IMT) Valve System (2016 2017 2018 2019 2020 2021 2022)
- Intake Air - Intake Manifold Tuning (IMT) Valve System(R20A5) (2013 2014 2015)
- Intake Air - Vacuum Hose Routing
- PCV - Overview (2013 2014 2015)
- PCV - Overview (2016 2017 2018 2019 2020 2021 2022)
- PGM-FI - Components (2016 2017 2018 2019 2020 2021 2022)
- PGM-FI - Components (KA, KC models K24Z7) (2013 2014 2015)
- PGM-FI - Components (KA, KC models R20A5) (2013 2014)
- PGM-FI - Components (KA, KC models R20A5) (2015)
- PGM-FI - Electronic Control (2013 2014 2015)
- PGM-FI - Electronic Control (2016 2017 2018 2019 2020 2021 2022)
- PGM-FI - Ignition Timing Control (2013 2014 2015)
- PGM-FI - Ignition Timing Control (2016 2017 2018 2019 2020 2021 2022)
- PGM-FI - Injection Control (2013 2014 2015)
- PGM-FI - Injection Control (2016 2017 2018 2019 2020 2021 2022)
- PGM-FI - OBD (2013 2014 2015)
- PGM-FI - OBD (2016 2017 2018 2019 2020 2021 2022)
- PGM-FI - On-Board Snapshot (2013 2014 2015)
- PGM-FI - On-Board Snapshot (2016 2017 2018 2019 2020 2021 2022)
- PGM-FI - Overview
- VTEC (R20A5) (2013 2014 2015)
- VTEC/VTC - Construction(K24Z7/K24V7)
- VTEC/VTC - Control(K24Z7/K24V7)
- VTEC/VTC - Operation(K24Z7/K24V7)
- VTEC/VTC System Description - Overview(K24Z7/K24V7)
- VTEC/VTC System Description - VTC (2016 2017 2018 2019 2020 2021 2022)
- VTEC/VTC System Description - VTEC (2016 2017 2018 2019 2020 2021 2022)
- Learning Reset Clear
- Component Location Index
- Catalytic Converter System (2016 2017 2018 2019 2020 2021 2022)
- Catalytic Converter System (K24Z7) (2013 2014 2015)
- Catalytic Converter System (KA, KC models R20A5) (2015)
- Catalytic Converter System (R20A5) (2013 2014 2015)
- EGR System (R20A5) (2013 2014 2015)
- EVAP Control System (K24Z7)
- EVAP Control System (KA, KC models)
- EVAP Control System (Premium.Technology)
- Electronic Throttle Control System (K24Z7/K24V7)
- Electronic Throttle Control System (R20A5) (2013 2014 2015)
- Engine Block Assembly (2016 2017 2018 2019 2020 2021 2022)
- Engine Block Assembly (K24Z7) (2013 2014 2015)
- Engine Block Assembly (R20A5) (2013 2014 2015)
- IMT System (2016 2017 2018 2019 2020 2021 2022)
- IMT System (R20A5) (2013 2014 2015)
- PCV System (2016 2017 2018 2019 2020 2021 2022)
- PCV System (K24Z7) (2013 2014 2015)
- PCV System (R20A5) (2013 2014 2015)
- PGM-FI System (K24Z7) (2013 2014 2015)
- PGM-FI System (KA, KC models R20A5) (2015 2016 2017 2018 2019 2020 2021 2022)
- PGM-FI System (R20A5) (2013 2014 2015)
- VTEC System (R20A5) (2013 2014 2015)
- VTEC/VTC System (2016 2017 2018 2019 2020 2021 2022)
- VTEC/VTC System (KA, KC models K24Z7) (2013 2014 2015)
- Connector View
- Adjustment
- Removal, Installation & Inspection
- Air Cleaner Element (2016 2017 2018 2019 2020 2021 2022)
- Air Cleaner Element (K24Z7) (2013 2014 2015)
- Air Cleaner Element (R20A5) (2013 2014 2015)
- Crankshaft and CKP Pulse Plate (2016 2017 2018 2019 2020 2021 2022)
- Crankshaft and CKP Pulse Plate (K24Z7) (2013 2014 2015)
- Crankshaft and CKP Pulse Plate (R20A5) (2013 2014 2015)
- Rewrite
- Test
- Symptom Troubleshooting Index for Viewer
- After warming up, idle speed is above specifications without load (MIL works OK, no DTCs set) (2016 2017 2018 2019 2020 2021 2022)
- After warming up, idle speed is above specifications without load (MIL works OK, no DTCs set) (KA, KC models K24Z7) (2013 2014 2015)
- After warming up, idle speed is above specifications without load (MIL works OK, no DTCs set) (KA, KC models R20A5) (2013 2014 2015)
- After warming up, idle speed is below specifications without load (MIL works OK, no DTCs set) (2016 2017 2018 2019 2020 2021 2022)
- After warming up, idle speed is below specifications without load (MIL works OK, no DTCs set) (KA, KC models K24Z7) (2013 2014 2015)
- After warming up, idle speed is below specifications without load (MIL works OK, no DTCs set) (KA, KC models R20A5) (2013 2014 2015)
- Cold fast idle too high (MIL works OK, no DTCs set) (2016 2017 2018 2019 2020 2021 2022)
- Cold fast idle too high (MIL works OK, no DTCs set) (KA, KC models K24Z7) (2013 2014 2015)
- Cold fast idle too high (MIL works OK, no DTCs set) (KA, KC models R20A5) (2013 2014 2015)
- Cold fast idle too low (MIL works OK, no DTCs set) (2016 2017 2018 2019 2020 2021 2022)
- Cold fast idle too low (MIL works OK, no DTCs set) (KA, KC models K24Z7) (2013 2014 2015)
- Cold fast idle too low (MIL works OK, no DTCs set) (KA, KC models R20A5) (2013 2014 2015)
- Difficult to refuel (MIL works OK, NO DTCs set) (KA, KC models K24Z7) (2013 2014 2015)
- Difficult to refuel (MIL works OK, no DTCs set) (2016 2017 2018 2019 2020 2021 2022)
- Difficult to refuel (MIL works OK, no DTCs set) (KA, KC models R20A5) (2013 2014 2015)
- Engine is hard to start (MIL works OK, no DTCs set) (2016 2017 2018 2019 2020 2021 2022)
- Engine is hard to start (MIL works OK, no DTCs set) (KA, KC models K24Z7) (2013 2014 2015)
- Engine is hard to start (MIL works OK, no DTCs set) (KA, KC models R20A5) (2013 2014 2015)
- Engine stalls (MIL works OK, no DTCs set) (2016 2017 2018 2019 2020 2021 2022)
- Engine stalls (MIL works OK, no DTCs set) (KA, KC models K24Z7) (2013 2014 2015)
- Engine stalls (MIL works OK, no DTCs set) (KA, KC models R20A5) (2013 2014 2015)
- Engine starts but stalls immediately (MIL works OK, no DTCs set, immobilizer indicator stays on or flashes) (2016 2017 2018 2019 2020 2021 2022)
- Engine starts but stalls immediately (MIL works OK, no DTCs set, immobilizer indicator stays on or flashes) (KA, KC models K24Z7) (2013 2014 2015)
- Engine starts but stalls immediately (MIL works OK, no DTCs set, immobilizer indicator stays on or flashes) (KA, KC models R20A5) (2013 2014 2015)
- Engine will not start (MIL works OK, no DTCs set) (2016 2017 2018 2019 2020 2021 2022)
- Engine will not start (MIL works OK, no DTCs set) (KA, KC models K24Z7) (2013 2014 2015)
- Engine will not start (MIL works OK, no DTCs set) (KA, KC models R20A5) (2013 2014 2015)
- Engine will not start (MIL works OK, no DTCs set, immobilizer indicator stays on or flashes) (2016 2017 2018 2019 2020 2021 2022)
- Engine will not start (MIL works OK, no DTCs set, immobilizer indicator stays on or flashes) (KA, KC models K24Z7) (2013 2014 2015)
- Engine will not start (MIL works OK, no DTCs set, immobilizer indicator stays on or flashes) (KA, KC models R20A5) (2013 2014 2015)
- Engine will not start and HDS does not communicate with the PCM(MIL comes on and stays on, no DTCs set) (2016 2017 2018 2019 2020 2021 2022)
- Engine will not start and HDS does not communicate with the PCM(MIL comes on and stays on, no DTCs set) (KA, KC models K24Z7) (2013 2014 2015)
- Engine will not start and HDS does not communicate with the PCM(MIL comes on and stays on, no DTCs set) (KA, KC models R20A5) (2013 2014 2015)
- HDS does not communicate with the PCM or the vehicle (2016 2017 2018 2019 2020 2021 2022)
- HDS does not communicate with the PCM or the vehicle(KA, KC models K24Z7) (2013 2014 2015)
- HDS does not communicate with the PCM or the vehicle(KA, KC models R20A5) (2013 2014 2015)
- Idle speed fluctuates (MIL works OK, no DTCs set) (2016 2017 2018 2019 2020 2021 2022)
- Idle speed fluctuates (MIL works OK, no DTCs set) (KA, KC models K24Z7) (2013 2014 2015)
- Idle speed fluctuates (MIL works OK, no DTCs set) (KA, KC models R20A5) (2013 2014 2015)
- Low power (MIL works OK, no DTCs set) (2016 2017 2018 2019 2020 2021 2022)
- Low power (MIL works OK, no DTCs set) (KA, KC models K24Z7) (2013 2014 2015)
- Low power (MIL works OK, no DTCs set) (KA, KC models R20A5) (2013 2014 2015)
- MIL comes on and stays on, or never comes on at all, no DTCs set (2016 2017 2018 2019 2020 2021 2022)
- MIL comes on and stays on, or never comes on at all, no DTCs set(KA, KC models K24Z7) (2013 2014 2015)
- MIL comes on and stays on, or never comes on at all, no DTCs set(KA, KC models R20A5) (2013 2014 2015)
- General Information
- Engine Configuration (2016 2017 2018 2019 2020 2021 2022)
- Engine Configuration(K24Z7) (2013 2014 2015)
- Engine Configuration(R20A5) (2013 2014 2015)
- How to Set Readiness Codes (2013 2014 2015)
- Malfunction Indicator Lamp (MIL) Indication (In relation to Readiness Codes)
- Catalytic Converter Monitor and Readiness Code
- Evaporative Emission (EVAP) Control System Monitor and Readiness Code
- Air Fuel Ratio (A/F) Sensor Monitor and Readiness Code
- Air Fuel Ratio (A/F) Sensor Heater Monitor Readiness Code
- Misfire Monitor and Readiness Code
- Fuel System Monitor and Readiness Code
- Comprehensive Component Monitor and Readiness Code
- EGR Monitor and Readiness Code
- How to Set Readiness Codes (2016 2017 2018 2019 2020 2021 2022)
- Malfunction Indicator Lamp (MIL) Indication (In relation to Readiness Codes)
- Catalytic Converter Monitor and Readiness Code
- Evaporative Emission (EVAP) Control System Monitor and Readiness Code
- Air Fuel Ratio (A/F) Sensor Monitor and Readiness Code
- Air Fuel Ratio (A/F) Sensor Heater Monitor Readiness Code
- Misfire Monitor and Readiness Code
- Fuel System Monitor and Readiness Code
- Comprehensive Component Monitor and Readiness Code
- EGR Monitor and Readiness Code
- Under-Hood Emission Control Label(KA, KC models) (2013)
- Under-Hood Emission Control Label(KA, KC models) (2016)
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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.