Regarding the question of replacing spark plugs tens of thousands of kilometers away
SaxonRudolph 
9 Still follow the official requirement: replace the spark plug at 20,000 kilometers, and extend it to 30,000 kilometers at most. I used to think that the 4S store was exaggerating and trying to make more money from customers, but now I have encountered a blown spark plug! Let’s take a look and learn from it!
The picture shows the fault indicating that the transmission efficiency is reduced
Ignition coil replaced by 4S shop after testing the fault
The fault was still not eliminated, and the spark plug was later removed
The spark plug of the second cylinder has blown out
I was really sweating at that time? I was really afraid that there would be a pulling cylinder, so I looked through a looking glass and was fine.
Finally, love your car to the town building!
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