MY 1983 Toyota Corona ST141 uses about 1.5 litres of oil in 5000km. When I top up the oil now I put 200ml over the top mark of the dipstick. This has never caused a problem, but I would like to know if there could be a problem with overfilling the engine.
YOU can cause a problem putting too much oil in the sump. The crankshaft hits the oil as it rotates, which can put extra load on the engine, reduce performance and increase fuel consumption. It can also cause the oil to froth and cause problems in the lubrication system. However, adding an extra 200ml probably won't have too much effect.
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