⚠️ Toyota Yaris — Moderate misfuel risk
Compact petrol and hybrid Yaris models are sensitive to diesel-in-petrol misfuels at combined truck/auto lanes. Small tank volume means a little wrong fuel is a high concentration.
If the engine was not started
Do not crank the engine. Drain via pump access; replace filter if the pump was energized with wrong fuel in the tank.
If the engine was started
Running on diesel-contaminated petrol can damage injectors and catalyst on direct-injection engines; follow TIS inspection steps and consider line flush.
⚠️ Toyota position — Yaris
Toyota prescribes fuel pump module removal via under-rear-seat access on most Yaris generations sold in New Zealand. Incorrect fuel voids warranty coverage. Follow TIS for pressure relief and module reseal.
Vehicle information
| Specification | Details |
|---|---|
| Make | Toyota |
| Model | Yaris |
| Market status | Sold new in NZ as Yaris (petrol and hybrid); Vitz-badged Japanese imports common in used market |
| Body styles | Sedan, hatchback (generation dependent) |
| Generations | XP90 (2007–2012), XP130 (2012–2019), XP210 Yaris Hybrid (2020 NZ limited); Mazda2-based sedan sold in some markets — not a NZ-new Toyota model |
| Engines | Petrol: 1.5-litre I4 (most NZ models); regular 91 octane / E10; Hybrid: 1.5L Hybrid (2020 Yaris Hybrid where sold) |
| Fuel tank capacity | Approximately 42 litres — varies by model year; consult OEM service information |
| Fuel system | Petrol port or direct injection; hybrid adds high-voltage fuel-system disable before interior work |
| Access method | Fuel pump access panel under rear seat (typical NZ Yaris); confirm per VIN in TIS |
| Anti-siphon | Yes — ball-type anti-siphon in filler neck; capless on some model years |
| OEM service portal | Toyota Technical Information System (TIS) / Techstream |
OEM access procedure
- Ignition OFF; relieve fuel pressure per TIS
- Disconnect 12 V negative; hybrid models require HV disable before seat removal
- Remove rear seat cushion; unscrew access panel
- Disconnect pump connector and fuel line quick-connects
- Remove lock ring; extract pump module and drain tank through opening
- Replace O-ring; install new filter if fuel was run
- Reinstall module, reconnect battery, prime and verify no leaks
Additional notes
- 2016–2020 Yaris iA uses Mazda service procedures — verify badge before assuming Toyota Yaris layout
Related models
Frequently asked questions
Is the Toyota Yaris still Sold new in New Zealand?
Yes. Toyota New Zealand continues to sell Yaris petrol and hybrid models. Imported Vitz vehicles use similar Toyota pump-access procedures for the equivalent platform.
What should I do if I put diesel in my Yaris?
Yes. Toyota New Zealand continues to sell Yaris petrol and hybrid models. Imported Vitz vehicles use similar Toyota pump-access procedures for the equivalent platform.
Does the Yaris Hybrid need special steps for fuel drain?
Yes. Toyota New Zealand continues to sell Yaris petrol and hybrid models. Imported Vitz vehicles use similar Toyota pump-access procedures for the equivalent platform.
Can I siphon petrol out of a Yaris filler neck?
Yes. Toyota New Zealand continues to sell Yaris petrol and hybrid models. Imported Vitz vehicles use similar Toyota pump-access procedures for the equivalent platform.
Need certified fuel contamination service?
Find an NZIFDA certified operator or read consumer guidance on wrong-fuel incidents.
Find an operatorFor consumers