Watch this video to learn how to diagnose whether a sega rally psp game misfire is being caused by a cracked cylinder head or leaking head gasket allowing oil to. Check the level of fluid in the radiator. If your car suddenly loses coolant or the level is very low this can be a sign of a cracked block. React quickly if you notice excessive smoke coming out of the exhaust. Visual Crack in Block A routine visual vehicle inspection can sometimes be enough to fine a cracked engine block. If your engine is clean and free from excess dirt or grime a visual inspection could be enough to spot a problem these should be noticed. The head gasket is put in place as a barrier that prevents engine fluids from leaking into the cylinders. As such, the head gasket is among the. A blown head gasket may cause a number of different symptoms. Coolant in the engine oil, an engine misfire or oil leaking from the engine could all be a. Fortunately checking this is easily done by removing the radiator cap and inspecting. Low Engine Compression. Engine compression is the result of engine combustion; the combustion is housed within the engine cylinders which are located within the engine block. We go through some symptoms to help diagnose wether you have a cracked engine block or blown head gasket. Follow these steps to help point you in the right direction. Antifreeze In Oil Just like a cracked engine block allowing engine oil to mix with the. A crack in the engine block can be the cause of low compression. This will cause engine combustion pressure to be disrupted lowering the engine compression causing poor engine performance. Engine Smoke Engine smoke is a major sign of a cracked engine block. We go through some symptoms to help diagnose wether you have a cracked engine block or blown head gasket. Follow these steps to help point you in the right. Engine Overheating. Engine overheating will occur when a cracked engine block is severe enough to allow engine antifreeze to leak, this will cause the engine temperature to rise and in turn cause the engine to overheat. The only externally visible sign of a blown head gasket would be coolant externally leaking from the head gasket. The head gasket will be. Well. As a home mechanic, you don t generally test for a blown head gasket. A leaking, or blown head gasket will come with some pretty obvious symptoms. Symptoms of a cracked cylinder head are identical to those of a blown head gasket and include engine misfires, leaking oil that drains from the engine and the. This will cause your engine to overheat quickly. Check for codes flashing on the dashboard. This is often happens with reduced performance or a noticeable change in the way the car feels while driving.