Is there any oil seeping into the cylinder from the spark plug? Should this be addressed?

What spark plug model should be used for a 2014 Suzuki Grand Vitara with a 2.4 engine?

Navara 2019 model, currently has over 60,000 kilometers. When changing the spark plugs, there was oil in the cylinders. The 4S technician said the valve cover needs to be replaced due to internal leakage and should be replaced together. I want to ask everyone, is this a common issue with the Navara?

Has anyone in the group experienced the issue of oil leaking from the spark plug area in the 2013 Touran?

Has anyone tried removing the spark plugs themselves? Any tutorials? 😄

I just bought a second-hand car and after driving it for less than 1000 kilometers, it consumed 2.5 liters of engine oil (it's a 5-cylinder car registered in 2014). I'm not sure if any of you experience this oil consumption. Should I switch the engine oil from Shell 0W-40? What should I do, any advice for a budget-friendly solution?

For a 2010 Suzuki SX4 with a 1.6 manual transmission, what spark plugs and engine oil do fellow car enthusiasts recommend?

Car enthusiasts, which brand of spark plugs do you recommend? Is everyone using Mitsubishi NGK single iridium spark plugs?

How often should the spark plugs in the 2019 GS5 be replaced? It's approaching 70,000 kilometers and hasn't been changed yet.

Is there any oil seeping into the cylinder from the spark plug? Should this be addressed?

Hey guys, at 90,000 km, do I need to change the spark plugs? If yes, should I go for Champion or Mopar?