Maintenance of 14 Audi A3 models
KittyHart 
7 
I didn’t maintain it at a 4S shop after the insurance was out. It was too expensive, so I still maintained it at a certain tiger this time. The license plate is no longer hidden, so if you meet you on the road, honk your horn.
oil filter
Selected an internal engine cleaning
Add another bottle of antiwear agent
The halogen lamp of the original car has never been replaced. It is very yellow and violent. No, it is very yellow and not bright. This time, I chose a white light lamp.
Original car lights, made in Germany
New lights, domestic, support domestic production.
This should be the exhaust pipe, a lot of oil
The throttle is not very dirty. Let the master wipe it with cleaning agent to save a lot of money.
Oil pollution on pipelines
Add another cylinder to clean and remove carbon deposits
The carbon deposit on the engine has never been cleaned, and it is indeed dark inside
Pour cleaning agent into the cylinder
You can clearly see that the black ones have been washed out
After cleaning, step on the accelerator vigorously and burn the residue in the cylinder.
After the carbon deposits were removed, I felt that the engine jitter was much reduced, so I still had to do it regularly.
After completing all the projects and replacing the oil, the total is more than 1200 yuan. It feels okay.
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