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.
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HOMESERVICE MANUALSACURA2013RDX 3.5L ENG VIN 3REPAIR AND DIAGNOSISENGINE PERFORMANCEENGINE CONTROL SYSTEMSENGINE CONTROL SYSTEM & ENGINE MECHANICAL - TESTING & TROUBLESHOOTING
2013 Acura RDX 3.5L Eng VIN 3
Engine Control System & Engine Mechanical - Testing & Troubleshooting
2013 Acura RDX 3.5L Eng VIN 3SECTION Engine Control System & Engine Mechanical - Testing & Troubleshooting
- Description
- Catalytic Converter System Description - Overview (2013-18)
- EGR System Description - Overview (2013-18)
- EVAP System Description - Overview (USA and Canada models) (2013-18)
- Electronic Throttle Control System Description - Overview (2016-18)
- Electronic Throttle Control System Description (2013-18)
- PCV System Description - Overview (2013-18)
- PGM-FI System Description - Components (2013-15)
- PGM-FI System Description - Components(USA and Canada models) (2016-18)
- PGM-FI System Description - Electronic Control (2013-15)
- PGM-FI System Description - Electronic Control (2016-18)
- PGM-FI System Description - Ignition Timing Control (2013-15)
- PGM-FI System Description - Ignition Timing Control (2016-18)
- PGM-FI System Description - Injection Control (2013-15)
- PGM-FI System Description - Injection Control (2016-18)
- PGM-FI System Description - OBD (2013-15)
- PGM-FI System Description - OBD (2016-18)
- PGM-FI System Description - On-Board Snapshot (2016-18)
- PGM-FI System Description - Overview (2013-18)
- VTEC/Variable Cylinder Management (VCM) System Description (2013-15)
- VTEC/Variable Cylinder Management (VCM) System Description (2016-18)
- Check
- Overhaul
- Inspection/Adjustment
- APP Sensor Signal Inspection (2013-18)
- Block and Piston Inspection (2013-15)
- Block and Piston Inspection (2016-18)
- Camshaft Inspection (2013-15)
- Camshaft Inspection (2016-18)
- Camshaft Timing Inspection (2013-15)
- Camshaft Timing Inspection (2016-18)
- Connecting Rod and Crankshaft End Play Inspection (2013-15)
- Connecting Rod and Crankshaft End Play Inspection (2016-18)
- Cylinder Bore Honing (2013-18)
- Engine Compression Inspection (2013-15)
- Engine Compression Inspection (2016-18)
- Engine Oil Jet Bolt Inspection (2013-18)
- Idle Speed Inspection (2013-15)
- Idle Speed Inspection (2016-18)
- PCV Valve Inspection (2013-15)
- PCV Valve Inspection (2016-18)
- Valve Clearance Adjustment (2013-15)
- Valve Clearance Adjustment (2016-18)
- Valve Inspection (2013-15)
- Valve Inspection (2016-18)
- Valve Seat Reconditioning (2013-15)
- Valve Seat Reconditioning (2016-18)
- Valve Stem-to-Guide Clearance Inspection (2013-15)
- Valve Stem-to-Guide Clearance Inspection (2016-18)
- Symptom Troubleshooting
- After warming up, idle speed is above specifications without load (MIL works OK, no DTCs set) (USA and Canada models) (2013-15)
- After warming up, idle speed is above specifications without load (MIL works OK, no DTCs set) (USA and Canada models) (2016-18)
- After warming up, idle speed is below specifications without load (MIL works OK, no DTCs set) (USA and Canada models) (2013-15)
- After warming up, idle speed is below specifications without load (MIL works OK, no DTCs set) (USA and Canada models) (2016-18)
- Cold fast idle too high (MIL works OK, no DTCs set) (USA and Canada models) (2013-15)
- Cold fast idle too high (MIL works OK, no DTCs set) (USA and Canada models) (2016-18)
- Cold fast idle too low (MIL works OK, no DTCs set) (USA and Canada models) (2013-15)
- Cold fast idle too low (MIL works OK, no DTCs set) (USA and Canada models) (2016-18)
- Difficult to refuel (MIL works OK, NO DTCs set) (USA and Canada models) (2013-15)
- Difficult to refuel (MIL works OK, no DTCs set) (USA and Canada models) (2016-18)
- Engine is hard to start (MIL works OK, no DTCs set) (USA and Canada models) (2013-15)
- Engine is hard to start (MIL works OK, no DTCs set) (USA and Canada models) (2016-18)
- Engine stalls (MIL works OK, no DTCs set) (USA and Canada models) (2013-15)
- Engine stalls (MIL works OK, no DTCs set) (USA and Canada models) (2016-18)
- Engine starts but stalls immediately (MIL works OK, no DTCs set, immobilizer indicator stays on or flashes) (USA and Canada models) (2013-15)
- Engine starts but stalls immediately (MIL works OK, no DTCs set, immobilizer indicator stays on or flashes) (USA and Canada models) (2016-18)
- Engine will not start (MIL works OK, no DTCs set) (USA and Canada models) (2013-15)
- Engine will not start (MIL works OK, no DTCs set) (USA and Canada models) (2016-18)
- Engine will not start (MIL works OK, no DTCs set, immobilizer indicator stays on or flashes) (USA and Canada models) (2013-15)
- Engine will not start (MIL works OK, no DTCs set, immobilizer indicator stays on or flashes) (USA and Canada models) (2016-18)
- Engine will not start and HDS does not communicate with the PCM(MIL comes on and stays on, no DTCs set) (USA and Canada models) (2013-15)
- Engine will not start and HDS does not communicate with the PCM(MIL comes on and stays on, no DTCs set) (USA and Canada models) (2016-18)
- HDS does not communicate with the PCM or the vehicle (USA and Canada models) (2013-15)
- HDS does not communicate with the PCM or the vehicle(USA and Canada models) (2016-18)
- Idle speed fluctuates (MIL works OK, no DTCs set) (USA and Canada models) (2013-15)
- Idle speed fluctuates (MIL works OK, no DTCs set) (USA and Canada models) (2016-18)
- Low power (MIL works OK, no DTCs set) (USA and Canada models) (2013-15)
- Low power (MIL works OK, no DTCs set) (USA and Canada models) (2016-18)
- MIL comes on and stays on, or never comes on at all, no DTCs set(USA and Canada models) (2013-15)
- MIL comes on and stays on, or never comes on at all, no DTCs set(USA and Canada models) (2016-18)
- Troubleshooting
- A/C Signal Circuit Troubleshooting (Idle Control System) (2013-15)
- A/C Signal Circuit Troubleshooting (2016-18)
- Brake Pedal Position Switch Signal Circuit Troubleshooting (2013-18)
- MIL Circuit Troubleshooting (2013-15)
- MIL Circuit Troubleshooting (2016-18)
- PCM Power and Ground Circuit Troubleshooting (2013-15)
- PCM Power and Ground Circuit Troubleshooting (2016-18)
- How to Information
- How to Set Readiness Codes(USA and Canada models) (2013-18)
- 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(USA and Canada models) (2013-18)
- Component Location Index
- Catalytic Converter System Component Location Index (2013-18)
- EGR System Component Location Index (2013-18)
- EVAP Control System Component Location Index (2013-18)
- Electronic Throttle Control System Component Location Index (2013-18)
- Engine Block Assembly Component Location Index (2013-15)
- Engine Block Assembly Component Location Index (2016-18)
- PCV System Component Location Index (2013-18)
- PGM-FI System Component Location Index (2013-15)
- PGM-FI System Component Location Index (2016-18)
- VTEC/Variable Cylinder Management (VCM) System Component Location Index (2016-18)
- Variable Cylinder Management (VCM) System Component Location Index (2013-18)
- Testing
- Inputs and Outputs
- General Information
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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.