Motor Vehicle Maintenance and Repair Stack Exchange
Motor Vehicle Maintenance and Repair Stack Exchange

Questions tagged [compression]

One of the four internal combustion engine strokes necessary for the complete combustion process to occur. The compression stroke compresses an air fuel mixture and prepares for it ignition by spark.

Image depiction the compression stroke of the 4 stroke engine cycle

enter image description here

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How does compression tests work inside of an engine?

Now I understand the concept , that an engine needs compression to make efficient power and I understand the theory , but what I don’t completely understand is how does compression build in a compression test(a gauge test in a gasoline engine) over…
RonRon Scores
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back compression in skoda Rapid

I have skoda Rapid 2012, there seems to be a oil leakage. Recently one mechanic said there is back compression in the engine but another said Skodas have back compression and nothing to worry. I am not sure who is correct. There is no drop in power…
vishal Raina
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