Ignition coils and spark plugs Opel: problems by model and engine

Documented faults, from most to least important

Severity × frequency. Below each one, the Opel models it appears in.

- High severityFrequency: Occasional1.2 PureTechSpark plug breakage on the 130 hp 1.2 PureTech turboOn the 130 hp 1.2 PureTech/e-THP turbo the original spark plugs can break; if a fragment falls into the cylinder it can damage the engine. Autojournal cites a 2015 recall to replace them on the 308 II.
In Crossland and Grandland I
- Medium severityFrequency: Common1.4 TurboIgnition coil failureThe ignition coils of the 1.4 Turbo fail fairly often on the Mokka and Meriva B, with jerking, occasional loss of power and the engine warning light on; the garage fixes it by replacing the affected coil or coils.Repair (garage): €400–€600Appears at around 47,000 km
In Adam, Astra J, Cascada, Corsa D, Corsa E and Insignia A and 3 more models
- Medium severityFrequency: Common1.0/1.2/1.4 EcotecIgnition coil failureThe ignition coils on this engine fail fairly often in the Corsa, Astra, Meriva and Adam, causing jerking, the engine warning light and, in the clearest cases, the engine running on one cylinder fewer; the garage fixes it by replacing the affected coil.Repair (garage): €150–€480Appears at around 15,000 km
In Adam, Astra H, Astra J, Corsa C, Corsa D and Corsa E and 2 more models
- Low severityFrequency: Occasional1.6 and 1.8 Ecotec 16vIgnition coil failuresOn the Astra H, Zafira B and Insignia A, several owners of this engine (both the 1.6 and the 1.8) describe ignition coil failures, with loss of power and the engine warning light on. It is a cheap repair and there is no sign that it damages the rest of the engine.
In Astra H, Astra J, Insignia A, Vectra C and Zafira B

By Opel model

Open yours to see only the faults that affect it, by engine and by year.

Engines and gearboxes involved

Frequently asked questions

What faults with the ignition coils do Opel cars have?

In 16 models from Opel there are 4 documented faults with the ignition coils. The most important: spark plug breakage on the 130 hp 1.2 PureTech turbo, ignition coil failure and ignition coil failure. Each fault has its own page with the affected years and versions, the symptoms and the repair cost.

Which Opel models have the most problems with the ignition coils?

Opel Astra J (3 faults), Opel Astra H (2 faults), Opel Corsa D (2 faults) and Opel Insignia A (2 faults).

Which Opel engines have faults with the ignition coils?

1.0/1.2/1.4 Ecotec (1 fault), 1.2 PureTech (1 fault), 1.4 Turbo (1 fault) and 1.6 and 1.8 Ecotec 16v (1 fault).