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One of the key features of automatic car wash machines is their use of high-pressure water jets and specialized cleaning agents. These machines are capable of reaching every nook and cranny of a vehicle's exterior, ensuring a comprehensive wash that hand washing may miss. Furthermore, many manufacturers are focusing on environmentally friendly technologies, creating machines that use less water and biodegradable cleaning agents to minimize their ecological footprint.
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Another common cause of black spark plugs is engine oil leakage. If oil is leaking into the combustion chamber, it can cause the spark plugs to become fouled with a black, sooty residue. This can lead to misfires and engine hesitation, as well as increased fuel consumption. It is important to address any oil leaks promptly and replace the spark plugs if necessary.