⚠️ MG manufacturer position
MG Motor UK service information covers fuel module removal via interior access on HS. Misfuel excluded from warranty.
Vehicle information
| Make | MG |
|---|---|
| Model | HS |
| Market status | Sold new in the UK — 2019–present |
| Body styles | 5-door SUV |
| Generations | First generation MG HS UK |
| Engine options | Petrol: 1.5L turbo petrol Hybrid: HS Plug-in Hybrid (petrol engine plus HV battery) |
| Fuel tank capacity | Approximately 55 litres (petrol tank; PHEV also charges via Type 2 port) |
| Fuel system | Turbo petrol injection; PHEV shares petrol tank — separate charge port |
| Access method | Fuel pump access under rear load floor / seat area — consult MG workshop manual |
| Anti-siphon | Yes |
| Service portal | MG Motor UK / SAIC technical portal (dealer) |
Misfuel risk Moderate
Petrol-only on UK HS and PHEV. Do not confuse charge port with fuel flap. PHEV HV safety applies during tank work.
If the engine was not started
Drain petrol before start; PHEV still requires petrol tank remediation if wrong fuel added.
If the engine was started
Inspect injectors and catalytic system if contaminated petrol was burned.
Access procedure
- PHEV: HV off per MG procedure; no charging cable connected
- Relieve petrol pressure; disconnect battery
- Access pump module from interior
- Drain petrol tank; do not drain HV battery
- Reassemble with new seals; leak test
Notes
- Do not put AdBlue in petrol tank — UK HS petrol models do not use AdBlue
Frequently asked questions
Can I put diesel in an MG HS?
UK HS models are petrol or PHEV. Diesel nozzle should not fit — never force it.
Does the HS PHEV have two energy fillers?
Yes — petrol flap and separate electric charge port. Misfuel applies only to the petrol tank.
Where is MG HS serviced?
MG UK dealer network with access to SAIC service procedures.
Is misfuel covered by MG warranty?
No.
Need professional misfuel recovery?
Find a certified operator or read consumer guidance for your next steps.
Find an operator Consumer guidance