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.
Fuel And Emissions System - Testing And Troubleshooting (Except Hybrid)
2018 Acura MDX BaseSECTION Fuel And Emissions System - Testing And Troubleshooting (Except Hybrid)
- Symptom Troubleshooting Index for Viewer
- Fuel cap warning message stays on (MIL works OK, no DTCs set) (2014 2015)
- Fuel cap warning message stays on (MIL works OK, no DTCs set) (2016)
- Fuel overflows during refueling (No DTCs set) (2014 2015)
- Fuel overflows during refueling (No DTCs set) (2016)
- Fuel overflows during refueling (No DTCs set) (2017 2018 2019 2020)
- General Servicing
- Component Location Index
- Description
- Fuel Supply System Description - Fuel Pump
- Fuel Supply System Description - Fuel Pump Control System
- Fuel Supply System Description - High Pressure Fuel Pump
- Fuel Supply System Description - Returnless Fuel System
- PGM-FI System Description - A/F Sensor/HO2S Feedback Air/Fuel Ratio Control
- PGM-FI System Description - Fuel Cut-off Control
- Test
- General Information
- Inspection
- Symptom Troubleshooting Index
- Circuit Diagram
- DTC Troubleshooting Index
- Fuel and Emissions Systems Symptom Troubleshooting
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra 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.