EGR cooler / intake clogging leading to head-gasket failure if neglected.
- Typically appears
- 100,000+ miles
- What to inspect
- Ask about EGR cleaning history and check for coolant loss.

A 2014 Toyota Prius is now 12 years old, so an average example has covered around 162,000 miles. A late-run car · the most reliable part of the generation, but higher-mileage wear items are usually the deciding factor. Check the state safety inspection and service history alongside the documented faults below, which are sorted by whether a 2014 car has usually reached the mileage where they appear.
Compiled & reviewed by the VehicleFaults Research Team
The 2014 Toyota Prius is 12 years old, so an average example has covered roughly 162,000 miles. At that mileage 3 of the documented faults are already due, so check those first.
Documented onset mileage is at or below the ~162k miles an average 2014 car has covered.
EGR cooler / intake clogging leading to head-gasket failure if neglected.
Excessive oil consumption on the 2ZR-FXE.
Inverter/hybrid coolant pump failure triggering warning lights.
Age, electronics and build-related issues that are not mileage-driven.
12V auxiliary battery weakness causing no-start.
Generate a tickable pre-purchase checklist for this exact year, mileage and variant · add photos and notes as you inspect.
Check this exact carYes, with maintenance — EGR cleaning and oil monitoring prevent the main failures.
Neglected EGR clogging can starve coolant flow and blow the head gasket.
Often 150,000+ miles; check for balanced state of charge and any warning lights.