Thermostat / water pump housing leak
usually 60,000–140,000 km · Medium risk
Signs: Coolant level dropping, sweet smell
Fix: Replace plastic housing assembly
€250–500
Engine: common problems, timing drive and oil
1.4 / 1.5 TSI plug-in hybrid (GTE, eHybrid, iV, TFSI e)
Hybrid · 1,395 / 1,498 cm³ · 85–200 kW
18
model generations
2
known faults
1,447,000
new cars in the EU (2010–2025)
Enter your VIN and mileage and get a plan built for your exact engine and gearbox.
Fuel: Hybrid. Timing drive: belt · 210,000 km / every 120 mo.
In our database this engine is fitted to 18 model generations, among them: Volkswagen Golf VIII, SEAT León IV, Audi A3 (8Y), Škoda Octavia IV, Audi Q3 (F3), Cupra Formentor and 12 more.
The most expensive known risk is thermostat / water pump housing leak: it usually appears at 60,000–140,000 km and costs €250–500 to fix.
Key facts
| Fuel | Hybrid |
|---|---|
| Displacement | 1,395 / 1,498 cm³ |
| Power | 85–200 kW |
| Years | 2014–2027 |
| Timing drive | Belt · 210,000 km / every 120 mo |
| Oil | 5W-30 / 0W-20 · VW 504.00 / 508.00 · ~4.0 L · every 15,000 km |
Known engine faults
Faults that belong to the engine itself. They apply to every model with this engine, and each model has its own extra faults on its model page.
Charging or hybrid-system faults
usually 40,000–160,000 km · Wear part
Signs: Won't charge, hybrid-system warning, no electric mode
Fix: Diagnostics — often a software update, the charging socket or the on-board charger
€0–1,500
Engine-related service
Intervals and typical prices, using the Volkswagen Golf VII as an example. The app gives the exact plan for your car.
| Item | Interval | Typical price |
|---|---|---|
| Engine oil + oil filterEngine | every 15,000 km or every 12 months | €70–150 |
| Air filterEngine | every 30,000 km or every 24 months | €15–45 |
| Spark plugsIgnition | every 60,000 km or every 48 months | €50–160 |
| Timing belt kit + water pumpEngine | every 210,000 km or every 120 months | €450–900 |
| Auxiliary (serpentine) beltEngine | every 120,000 km | €70–180 |
| Coolant replacementCooling | every 150,000 km or every 96 months | €70–150 |
Models with this engine
Model generations this engine is fitted to.
Audi A3 (8V) 2012–2020Audi A3 (8Y) 2020–Audi Q3 (F3) 2018–Cupra Formentor 2020–Cupra Terramar 2024–SEAT León IV 2020–SEAT Tarraco 2018–Škoda Kodiaq II 2024–Škoda Octavia IV 2020–Škoda Superb III 2015–2023Škoda Superb IV 2024–Volkswagen Arteon 2017–2024Volkswagen Golf VII 2012–2020Volkswagen Golf VIII 2019–Volkswagen Passat B8 2014–2023Volkswagen Passat B9 2023–Volkswagen Tiguan II 2016–2024Volkswagen Tiguan III 2024–
Common questions
Does the 1.4 / 1.5 TSI plug-in hybrid (GTE, eHybrid, iV, TFSI e) engine have a timing chain or a timing belt?
Belt · 210,000 km / every 120 mo.
What oil does the 1.4 / 1.5 TSI plug-in hybrid (GTE, eHybrid, iV, TFSI e) engine take?
5W-30 / 0W-20 · VW 504.00 / 508.00 · ~4.0 L · every 15,000 km.
What are the known problems with the 1.4 / 1.5 TSI plug-in hybrid (GTE, eHybrid, iV, TFSI e) engine?
The faults with the highest risk: thermostat / water pump housing leak (60,000–140,000 km, €250–500).
Which cars have the 1.4 / 1.5 TSI plug-in hybrid (GTE, eHybrid, iV, TFSI e) engine?
Volkswagen Golf VIII, SEAT León IV, Audi A3 (8Y), Škoda Octavia IV, Audi Q3 (F3), Cupra Formentor and 12 more.
Sources and notes
Faults, intervals and prices are indicative and collected from public sources and owner experience; always rely on the service book and a qualified workshop. Test statistics: DVSA – Anonymised MOT tests and results, Open Government Licence v3.0. Dutch tests: RDW Open Data (CC0). Engine versions: EEA, monitoring of CO₂ emissions from new passenger cars (CC BY 4.0, DG CLIMA). Owner complaints: NHTSA ODI (public domain). Recalls: DVSA Vehicle Safety Branch Recalls Database, OGL v3.0. Brand and model names are trademarks of their owners and are used only to describe the vehicles.
Updated 08/10/2026