Dear car enthusiasts, has anyone added a catalytic converter cleaner to the fuel tank of a 2011 manual Touran? After I added this kind of cleaner, it started emitting white smoke and the check engine light came on. Has anyone experienced this situation?

The maintenance manual for the Arrizo 5 suggests adding 4.7L of engine oil, but most services on the market typically charge based on 4L. Has anyone tried only adding 4L?

Dear car enthusiasts, has anyone added a catalytic converter cleaner to the fuel tank of a 2011 manual Touran? After I added this kind of cleaner, it started emitting white smoke and the check engine light came on. Has anyone experienced this situation?

Have any fellow car enthusiasts encountered a situation where the catalytic converter has minor cracks, causing occasional exhaust emissions to go uncatalyzed and triggering the emission warning light? The mechanic mentioned this. I regularly use Carpol's catalytic converter cleaner, Liquid Gold, etc., so there shouldn't be a carbon buildup issue.

Peugeot 206 automatic. Exhaust pipe leaking oil and emitting white smoke. The car can move on flat roads but the engine shakes. It lacks power going uphill. What's going on?

Hey folks, has anyone added a Zengcheng battery pack?

Has anyone added a seat subwoofer, and how is the effect?

Help needed! I have a 2017 model 95. With summer here, there's white smoke coming out at startup, but it goes back to normal after a few seconds. There's no lack of oil or water, and the computer diagnostics show everything is fine. I've been to several repair shops, but no one has found the problem. Has anyone else encountered a similar issue?

Is there anyone who has added rear air vents for a small car? It's really hot in the back seat.

Has anyone added through-type taillights to the 2023 Villa model?

Has anyone experienced this? I went to the 4S shop for the second maintenance of my GS8 fuel version, and they required adding a fuel system cleaner. They said it's mandatory according to manufacturer regulations.