Known issues
Lexus engine problems by mileage
Known problems of the Lexus engines covered so far, with the models they are fitted to. Each engine page has the symptoms, fault codes, tests and fixes. More engines are added over time.
Toyota 2.0 and 2.2 D-4D (1AD, 2AD)
Diesel · 2005–2015Lexus models: IS 220d and IS 200d
| Problem | Typical mileage |
|---|---|
| Head gasket failure and high oil consumption high severity | 80,000–200,000 km 50,000–125,000 miles |
| EGR and intake carbon build-up medium severity | 80,000–180,000 km 50,000–110,000 miles |
Toyota/Lexus 1.8 Hybrid (2ZR-FXE)
Petrol · 2009–2022Lexus models: CT 200h
| Problem | Typical mileage |
|---|---|
| Clogged EGR system, misfire and head gasket damage high severity | 150,000–300,000 km 95,000–185,000 miles |
| Weak 12 V auxiliary battery medium severity | 40,000–150,000 km 25,000–95,000 miles |
| Inverter coolant pump failure high severity | 80,000–250,000 km 50,000–155,000 miles |
Real Lexus repair cases
Browse Lexus casesReviewed cases from colleagues: complaint, measurements, tests and the repair that fixed it.