Never conclude that a gasoline injection system is faulty until you have checked that all other systems are functioning properly. ... EFI self-diagnosis Usually, modern EFI systems can diagnose or test themselves and indicate where the problem lies. ... Computer activates LIGHT EMITTING DIODEISI (small light bulbs ) on the computer itself which indicate specific number code and problem. ... Then, you must usually turn the engine off and place the ignition key in the ON or RUN position.
|Title||:||Auto Fuel and Emission Control Systems Technology|
|Author||:||James E. Duffy, Howard Bud Smith|
|Publisher||:||Goodheart-Willcox Pub - 1992-02-01|