Motorcycle engine without fault ranking
Air intake system failure: ① idle control valve or its control circuit failure; ② idle control valve air pipe rupture or joint leakage; ③ air flow meter failure.
Fuel injection system failure: ① fuel tank is not fuel; ② fuel pump does not work or pump oil pressure is too low; ③ fuel pipe leakage deformation; ④ circuit breaker disconnect; ⑤ fuel pressure regulator work poor; ⑥ fuel filter dirty The
. Ignition system failure: ① ignition coil work poorly, resulting in high pressure spark or no high pressure spark; ② ignition failure; ③ ignition time is not correct.