Skoda Octavia: 2.0 TSI EA888 Gen3 Excessive Oil Consumption

The EA888 Gen3 2.0 TSI CHHB engine in the Octavia vRS is affected by a well-documented piston ring oil consumption defect. Early EA888 Gen3 production units used piston rings with insufficient radial tension in the oil control ring pack, allowing engine oil to migrate past the rings into the combustion chamber where it burns. Consumption rates of 0.5 to 1.5 litres per 1,000km are reported. VW Group issued a revised piston and ring assembly but the fix requires full engine disassembly. Many out-of-warranty units remain in service consuming oil at unacceptable rates. Sustained oil consumption causes spark plug fouling, catalytic converter oil contamination, and can lead to oil starvation damage if the owner fails to check levels between services.

• Oil level dropping significantly between 10,000km service intervals
• Blue-grey smoke from exhaust on hard acceleration or engine braking downhill
• Oily or fouled spark plugs with combustion deposits
• Oil consumption exceeding 0.5L per 1,000km
• Catalytic converter efficiency fault codes P0420 from oil fouling

1. 1

   Check current oil level and compare against last documented service level.

2. 2

   Request any workshop-recorded oil consumption figures from service history.

3. 3

   Observe exhaust during a hard acceleration test for blue smoke.

4. 4

   Ask seller to demonstrate a cold start and look for blue smoke on initial start and during warm-up.

5. 5

   Request evidence of VW Group piston ring update if engine has completed the repair.

6. 6

   If a workshop inspection is possible: Remove and inspect spark plugs for oily combustion deposits.

Parts involved: Catalytic converter.

$4,500 to $9,200 at New Zealand independent workshop rates. That is for this job on its own, not for the car.

An estimate, in NZD, for the repair as normally carried out. What a specific car costs depends on which part has failed and what it damaged on the way — treat this as the floor for a negotiation, not a quote.

• “How much oil does the car use between 10,000km services?”
• “Has the VW Group piston ring revision been carried out on this specific engine?”
• “Has the car ever produced blue smoke from the exhaust during acceleration?”
• “What condition were the spark plugs in when last replaced and at what mileage?”

The failure described above is documented in published sources — owner forums, technical service bulletins, recall notices and workshop write-ups — held in our fault database. The inspection instructions and the cost estimate are KickTyres’ own interpretation of them, and it is a starting point for an inspection rather than a manufacturer statement.