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Make sure there are no leaks. A pressure tester can help you do this. Or you can keep running it and monitor usage by noticing if the level drops after multiple uses. But with engine temps varying like they are I would do a pressure test and confirm it isn't a head gasket problem or air getting into the system. If it passes a pressure test, the most likely ...


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I'm not very experienced on this subject, but these are my thoughts: The problem may have to do with the air pressure inside the fuel tank. When you remove the fuel cap, the pressure is equalized to the surrounding air pressure. When you're driving, fuel is sucked out of the tank which could cause the air pressure inside the tank to drop. (it causes a small '...


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