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Known Faults Database

Toyota Yaris Common Problems & Known Faults (UK)

If you are considering buying a used Toyota Yaris, there are several major reliability issues worth knowing about first. Our garage database tracks 2 known faults for this model, 1 of them rated high severity. Every one below is a repair bill a seller has good reason not to mention.

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Toyota Yaris 2009-2015 Models (2009-2015) problems

Engine/EmissionsMedium severity📝 Editorial

Piston ring design allows excessive carbon build-up, leading to severe oil consumption

Rough guide
£1000-2000

Typical symptoms

  • burning 1L of oil every 1000 miles
  • blue smoke on acceleration
  • carbon fouled spark plugs causing misfires

Affected vehicles

Engines:
1.33 Dual VVT-i (1NR-FE)
Typical mileage:
50000-90000 miles
🔍 We have a specific pre-purchase check for this faultCheck an advert →

Toyota Yaris 2004-2010 Models (2004-2010) problems

Transmission/ClutchHigh severity📝 Editorial

MMT actuator and ECU failure causing the car to drop into neutral while driving or refuse to select gears

Rough guide
£600-1200

Typical symptoms

  • red cog warning light on dashboard
  • car suddenly drops into 'N' while driving
  • refuses to shift out of neutral when parked

Affected vehicles

Engines:
All MMT (MultiMode) Automatics
Typical mileage:
50000-90000 miles
🔍 We have a specific pre-purchase check for this faultCheck an advert →
Repair costs are typical UK ranges, not quotes. Actual cost depends on condition and garage.Data last verified: June 2026

Other Toyota models

Auris5 known faultsPrius3 known faults