BYD Speed Sharp sometimes doesn't refuel.

Hello, check whether the oil pressure of the oil pump is enough and whether the circuit of the oil pump is normal. Whether the filter screen of the oil pump is too dirty and blocked. Check the ignition system; Whether the spark plug, high-voltage bag and ignition wire are firm. Whether the line is normal. Clean and inspect the throttle body. Check whether the wiring of throttle body is normal. Check or replace the gasoline tank and air tank. Please adopt it. Thank you.