All injectors sounded good and are working.
Voltage at injectors ignition on
Injector 1 =12V
Injector 2=12V
Injector 3=12V
Injector 4=12V
Test light
The light flashed on all injectors when wired in. The light flashed as the injector fires.
Duty Cycle
Injector 1 =98.7%
Injector 2=98.7%
Injector 3=98.7%
Injector 4=98.7%
Duty Cycle acceleration
Injector 1 =88%
Injector 2=90%
Injector 3=88%
Injector 4=90%
Hertz
Injector 1 =6.1hz
Injector 2=6.2hz
Injector 3=6.3hz
Injector 4=6.3hz
Hertz increased engine RPM
Injector 1 =18hz
Injector 2=20hz
Injector 3=18hz
Injector 4=20hz.
Calculated Pulse width modulation.
“Pulse width ms= (% Duty cycle x100)/Frequency"
Calculated Times at IDLE
Injector 1= 98.7x100/6.1=1618MS
Injector 2 =98.7x100/6.2=1591MS
Injector 3= 98.7x100/6.3hz=1566ms
Injector 4= 98.7x100/6.3hz1566ms
Calculated Times under acceleration
Injector 1=88x100/18=488MS
Injector 2=90x100/20=450MS
Injector 3=88x1o0/18=488MS
Injector 4=90x100/20=450MS
The above tests were acceptable to test injectors checking voltage to injectors was the most important test. If we had a problem with our car or injector not firing you would be able to hear it from the first test the injector would not click.
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