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Opel 2.0 CDTI engine: reliability and faults

Diesel · 1,956 cm³ · 130, 165, 170 hp · since 2008

Buy with care
Reliability
3.5/5

3 known faults

Verdict

A 2-litre four-cylinder diesel engine of Fiat-GM origin, fitted to the Opel Insignia A, Astra J and Zafira Tourer. Its emissions control is the weak point: an EGR valve that fails early, a particulate filter that clogs in town use, and exhaust sensors. The turbo and its hoses also need watching. Keep it for open-road use and ask for a service history.

Years to favour or avoid

To favour
No year particularly to favour
To avoid
No year to avoid identified

Known faults

Failing EGR valve

Severity 2/3 · Costly

Caradisiac describes very common premature EGR valve failure on the 2.0 CDTI, at every power output, with loss of power and the engine going into limp mode. Fiches-auto notes a valve that clogs quickly and leaks at the EGR cooler; CarVerif cites an EGR cooler replaced at 85,000 km on a 165 hp car.

Versions
cdti-2-0
Onset
not documented
Repair
not documented

Clogged particulate filter and exhaust sensors

Severity 2/3 · Costly

On short trips the particulate filter clogs quickly, with owners reporting the engine going into limp mode. Users also describe a soot sensor fault that returns after being cleared, and exhaust temperature sensors that need replacing. Drive regularly on open roads to let the filter regenerate.

Versions
cdti-2-0
Onset
not documented
Repair
not documented

Turbo and turbo hoses

Severity 2/3 · Costly

Owners report cracked turbo hoses and dead turbos, sometimes before 120,000 km. CarVerif ranks the turbo among the recurring risks of the 2.0 CDTI, with turbo and injector failures increasing beyond 150,000 km. These are user reports, not manufacturer statistics.

Versions
cdti-2-0
Onset
not documented
Repair
not documented

Models fitted

Maintain and diagnose this engine

Read fault codes

An OBD scanner plugged in under the steering wheel shows stored fault codes, even with warning lights off: useful during the test drive.

Parts and maintenance

Compare prices of car parts (timing, brakes, filters) to estimate the repairs to plan for.