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S14rebuild · 10-08-2019, 05:05 PM

Okay u can use a test light( or noid light) u need to test ground circuit on the injectors, while cranking they should pulse the test light on and off....thats the injector driver opening and closing circuit.

10-08-2019, 05:05 PM	#27
S14rebuild BANNED Join Date: May 2019 Location: Florida-FAIL Posts: 2,495 Trader Rating: (8)	Okay u can use a test light( or noid light) u need to test ground circuit on the injectors, while cranking they should pulse the test light on and off....thats the injector driver opening and closing circuit.