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Fuel injector testing

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scott_duerring

Regular Contributor
"What is the best way to test

"What is the best way to test to determine if all fuel injectors are operating? I am trying to determine if I have one or more injectors not pulsing, injectors were bench cleaned and tested ok on the bench. I need to see if there is any problem in the injector harness on the engine."
 
start engine
rev up to around

start engine
rev up to around 1500 and unplug one and u should get an rpm difference
 
"Get a set of noid lights. Th

"Get a set of noid lights. They are available at any automotive store and are inexpensive. Unplug the harness from the injector and plug it on to the light. The light will light with every pulse from the harness. If the light is not firing, neither is your injector."
 
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