Broken1Winggs

I’ve been using the car all year round, and in my case, there’s been no noticeable difference in fuel consumption between winter and summer. About 80% of my driving is on longer trips, typically around 70–80 km, mostly at speeds of 90–100 km/h. Fuel consumption is based on a distance of 7,000 to 10,000 km, so it's not just a short-term observation.

Unfortunately, I don’t have VCDS, so I’ll have to check around my neighborhood and see if someone can help. If possible, I’d really like to avoid going down the injector regeneration route... but who knows. First step is to check DPF. Gotta love the “eco-friendly” solutions in modern cars...

Hi everyone, once again! Last year, I bought my first Skoda – an Octavia III 2.0 TDI 184 HP DSG 4x4 with 350,000 km on the clock. Before that, I had two other VAG group cars – a classic 2001 Audi A3 8L and a 2014 VW Sharan, both diesel. Despite the mileage, they were absolutely solid. No major issues over the years. Eventually, I decided to give Skoda a go, and went for this particular spec. Unfortunately, I wasn’t aware of the infamous CUNA and CUPA engine problems at the time. The car drives great – no performance issues, smooth acceleration etc. However, I’ve noticed some “abnormal” oil and diesel consumption. Based on my records, it’s drinking about 1L of oil every 800 km (my lawnmower is more oil-efficient! 😂). And also while the onboard computer tells me I'm doing 5.5L/100 km of diesel, in reality it’s more like 7.5–8L/100 km. To make matters worse, I later found out that the previous owner had filled it with 10W40 oil, which I wasn’t aware of when buying the car. I’ve since switched it to the correct 5W30. I’m 99% sure the oil issue is due to worn piston rings. But the higher fuel consumption? That one’s a mystery to me. I had some trouble with the DPF earlier (got the error twice), but after switching the oil and doing some manual DPF regenerations, it seems to be behaving now. Therefore, I have a few questions for you: Do you have any idea what could be causing the high fuel consumption issue? Will replacing the piston rings be enough to fix the oil burning problem, or could it be more serious — like needing new pistons as well? I'm still unsure about the DPF regeneration interval — does anyone know how to check it? Would appreciate any insights or similar experiences!

Hi Everyone, Sebastian here, greetings from Poland. Currently driving a majestic 2016 Skoda Octavia III – proudly featuring a CUNA engine failure 😅 It runs... . Mostly on hope and sarcasm.