AdBlue / NOx sensor
usually 80,000–160,000 km · Medium risk
Signs: AdBlue warning
Fix: Replace sensor
€300–700
Engine: common problems, timing drive and oil
1.6 CDTI
Diesel · 1,598 cm³ · 70–100 kW
7
model generations
1
known faults
468,000
new cars in the EU (2010–2025)
Enter your VIN and mileage and get a plan built for your exact engine and gearbox.
Fuel: Diesel. Timing drive: chain.
In our database this engine is fitted to 7 model generations, among them: Opel Astra K, Opel Mokka / Mokka X, Opel Zafira Tourer C, Opel Insignia B, Opel Insignia A, Opel Astra J and 1 more.
The most expensive known risk is adBlue / NOx sensor: it usually appears at 80,000–160,000 km and costs €300–700 to fix.
Key facts
| Fuel | Diesel |
|---|---|
| Displacement | 1,598 cm³ |
| Power | 70–100 kW |
| Years | 2013–2020 |
| Timing drive | Chain |
| Oil | 5W-30 / 0W-30 · dexos2 · ~4.9 L · every 15,000 km |
| Engine codes | B16DTH, B16DTL, B16DTE, B16DTN, B16DTU, B16DTR, B16DTC, D16DTH |
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.
Engine-related service
Intervals and typical prices, using the Opel Astra J as an example. The app gives the exact plan for your car.
| Item | Interval | Typical price |
|---|---|---|
| DPF health check (soot / ash load)Emissions | every 20,000 km | €0–60 |
| Engine oil + oil filterEngine | every 15,000 km or every 12 months | €70–150 |
| AdBlue top-upEmissions | every 15,000 km | €10–30 |
| Air filterEngine | every 30,000 km or every 24 months | €15–45 |
| Fuel filterFuel | every 30,000 km or every 24 months | €40–110 |
| Glow plugsEngine | every 100,000 km | €120–300 |
| Auxiliary (serpentine) beltEngine | every 120,000 km | €70–180 |
| Coolant replacementCooling | every 150,000 km or every 96 months | €70–150 |
| Timing chain inspection (listen on cold start)Engine | every 150,000 km | €0–120 |
Models with this engine
Model generations this engine is fitted to.
Opel Astra J 2009–2015Opel Astra K 2015–2021Opel Insignia A 2008–2017Opel Insignia B 2017–2022Opel Meriva B 2010–2017Opel Mokka / Mokka X 2012–2019Opel Zafira Tourer C 2011–2019
Common questions
Does the 1.6 CDTI engine have a timing chain or a timing belt?
Chain.
What oil does the 1.6 CDTI engine take?
5W-30 / 0W-30 · dexos2 · ~4.9 L · every 15,000 km.
What are the known problems with the 1.6 CDTI engine?
The faults with the highest risk: adBlue / NOx sensor (80,000–160,000 km, €300–700).
Which cars have the 1.6 CDTI engine?
Opel Astra K, Opel Mokka / Mokka X, Opel Zafira Tourer C, Opel Insignia B, Opel Insignia A, Opel Astra J and 1 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