⚠️ Honda manufacturer position
Honda specifies fuel pump module removal via under-rear-seat access on most Accord generations. Misfuel excluded from warranty.
Vehicle information
| Make | Honda |
|---|---|
| Model | Accord |
| Market status | Sold new in the US 1976–present |
| Body styles | Sedan (coupe discontinued) |
| Generations | 11th gen (2023–present), earlier US generations |
| Engine options | Gasoline: 1.5L turbo and 2.0L turbo/non-turbo gasoline; E10 standard Hybrid: Hybrid system with gasoline tank |
| Fuel tank capacity | 14.8 gal (56 L) approximate — varies by year |
| Fuel system | Gasoline direct injection on turbo trims |
| Access method | Fuel pump access panel under rear seat (typical) |
| Anti-siphon | Yes |
| Service portal | Honda Service Express |
Misfuel risk Moderate
High-volume US sedan; diesel-into-gasoline forecourt errors.
If the engine was not started
Do not start; drain before crank.
If the engine was started
Filter replacement; inspect DI system if run on contaminated fuel.
Access procedure
- Do not start the engine. Disconnect the negative battery cable per Honda service information.
- Relieve fuel system pressure using the OEM-specified procedure (often fuse removal for the fuel pump, then crank without starting).
- Access the fuel pump module via the OEM fuel pump access panel when equipped, or lower the tank per workshop manual if no panel exists.
- Disconnect fuel lines using quick-connect procedures in the service manual; contain vapors and bond/ground per OSHA 29 CFR 1910.106.
- Drain remaining fuel from the tank using approved recovery equipment; label containers for hazardous waste handling under EPA 40 CFR Part 262 where applicable.
- Inspect the tank, pump, and sender for contamination; replace the fuel filter per OEM guidance.
- Reinstall components, reconnect lines, and prime the fuel system before a supervised first start per OEM instructions.
Related models
- TLX
- Civic
Frequently asked questions
What if I put diesel in my Accord?
Do not start the engine. Drain via Honda OEM fuel module access before any start attempt.
Should I siphon fuel from the filler neck on my Honda Accord?
USIFDA certified repair facilities use Honda OEM-prescribed fuel module or tank access only. Filler-neck siphoning is not a certified misfuel recovery process in the United States.
Should I siphon fuel from the filler neck on my Honda Accord?
USIFDA certified repair facilities use Honda OEM-prescribed fuel module or tank access only. Filler-neck siphoning is not a certified misfuel recovery process in the United States.
Need professional misfuel recovery?
Find a certified operator or read consumer guidance for your next steps.
Find an operator Consumer guidance