MG ZS / ZS EV

Fuel Contamination Remediation Standards

⚠️ MG ZS / ZS EV — Moderate misfuel risk

Moderate — petrol only; diesel nozzle errors at forecourt.

If the engine was not started

Keep ignition off; drain before the fuel pump runs.

If the engine was started

Replace filters, inspect pump and injectors, flush lines as specified.

⚠️ MG position — ZS / ZS EV

MG prescribes OEM fuel module access or tank removal. Fuel contamination is misuse excluded from factory warranty under NZ policy.

Vehicle information

SpecificationDetails
MakeMG
ModelZS / ZS EV
Market statusSold new in New Zealand 2018–2026
Body stylesPassenger (NZ specification)
GenerationsSAIC SSA (ZS11)
EnginesPetrol: Petrol engines per NZ specification (91/95/98 RON)
Fuel tank capacity48L petrol variants
Fuel systemPetrol injection (port or direct injection per generation)
Access methodFuel pump access panel (rear seat or cargo area) — Method A
Anti-siphonLimited or generation-dependent — consult OEM
OEM service portalMG Motor New Zealand — SAIC/MG technical publications

OEM access procedure

  1. Do not start the engine. Secure the vehicle and keep ignition off.
  2. Relieve fuel system pressure per OEM service information (fuel pump fuse/relay procedure).
  3. Disconnect the negative battery terminal.
  4. Access the in-tank fuel pump module using the OEM access panel or tank removal method for this model.
  5. Disconnect electrical connector and fuel lines; cap lines to limit vapour release.
  6. Remove the pump lock ring with the specified tool; extract contaminated fuel with approved equipment.
  7. Inspect the tank interior; replace filter and O-rings as specified.
  8. Reassemble, prime the system, check for leaks, and clear fault codes before road test.

Related models

Frequently asked questions

What fuel should I use in a ZS / ZS EV?

Use the grade on the fuel flap and owner manual — typically 91 or 95 octane petrol, or diesel only on diesel variants.

Where is the fuel pump on the ZS / ZS EV?

Usually under the rear seat or boot floor access panel — see OEM service information.

Need certified fuel contamination service?

Find an NZIFDA certified operator or read consumer guidance on wrong-fuel incidents.

Find an operatorFor consumers