There are a few reasons why mechanics might put blue or yellow marker lines on your engine. First, it can help them to identify specific parts of the engine more easily. This can be particularly helpful when they’re diagnosing problems or performing repairs.
Second, the lines can also be used to indicate which parts of the engine have been serviced or replaced. This can be helpful for keeping track of maintenance records.
Finally, some mechanics simply think that the lines look cool. Whatever the reason, there’s no harm in having a few extra lines on your engine – as long as they’re not causing any problems.
Other related questions:
Q: What does the A in a circle mean in a car?
A: The A in a circle means “approved” or “authentic.” It’s often seen on car parts that are made by the original manufacturer.
Q: What is start/stop on a car?
A: The start/stop feature on a car is a way to conserve fuel and reduce emissions by shutting off the engine when the car is idling.
Q: What causes engine run on?
A: There are a few different things that can cause engine run on:
1. A leaking fuel injector.
2. A faulty idle air control valve.
3. An incorrect ignition timing.
4. A carburetor that is not adjusted properly.
Q: How much oil do you put in an empty car?
A: You should put in about 4 to 6 quarts of oil.
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