AFR  air  fuel  ratio  ATDC  after  top  dead  center  BMEP  brake  mean  effective  pressure  BSFC  brake  specific  fuel  consumption  BTE  brake  thermal  efficiency  CA50  50%  mass  fraction  burned  CO  carbon  monoxide  COV  coefficient  of  variation  CR  compress  ratio  ECU  electronic  control  unit  Efficiency  Emission  FFV  flex  fuel  vehicle  Gasoline  GDI  GDI  gasoline  direct  injection  HC  hydrocarbon  HCCI  homogeneous  charge  compression  ignition  HRR  heat  release  rate  IMEP  indicated  mean  effective  pressure  KI  knock  intensity  MON  motor  octane  number  n-Butanol  NOx  nitrogen  oxides  PFI  port  fuel  injection  PN  particle  number  PON  pump  octane  number  RON  research  octane  number  SI  spark  ignition  Stoichiometric  combustion  TWC  three  way  catalyst  

Diesel injection  Electronic control units  High compression ratio  High pressure common rail  High pressure common rail diesel engine  Injection timing  Lower emissions  Substitution rates  

acetone–butanol–ethanol (ABE)  carbon dioxide (CO2)  carbon monoxide (CO)  chemiluminescent analyzer (CLA)  computational fluid dynamics (CFD)  direct injection (DI)  electronic control unit (ECU)  exhaust gas recirculation (EGR)  flame ionization detector (FID)  heavy duty (HD)  homogeneous charge compression ignition (HCCI)  hydrocarbon (HC)  indicated mean effective pressure (IMEP)  indicated thermal efficiency (ITE)  nitrogen oxides (NOx)  non-dispersive infra-red (NDIR)  rate of heat release (ROHR)  

A cars GDI engine electronic control fuel injection system has been developed for a GDI engine based on analysing the work principles of the control system of the engine in detail in this paper. The MCU produced by Freescale was chosen as the main controller of ECU(Electronic Control System) at the beginning  then the fuel injection driving circuit module was designed  fuel injection module programme was designed.The control system for different load and speed achieved flexible control  precision  flexible  fast response  which was proved by the engine test. This control system was proved to be ensure capability and performance of fuel injection demands. 2011 IEEE.