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GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 15201
Experience:  GM Grand Master Technician 2007. 14 years experience.
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Chevrolet Lumina: I have a 1993 Chevy lumina 3.1 I have a noid

Customer Question

I have a 1993 Chevy lumina 3.1 I have a noid light hooked up the light flashes dim car won't start but the it will flash bright car start but dies when give throttle .I ch noid light when tps is throttled noid light goes out I changed crank sensor swapped ECM still have problem
Submitted: 2 years ago.
Category: Chevy
Customer: replied 2 years ago.
When cranking car with noid light connected to injector light flashes dim car doesn't start but if light flashes bright car will start but dies when given gas.also observed noid light goes out when tps is is engaged but if disconnected light flashes dim when given throttle .
Expert:  Mike S. replied 2 years ago.
What are you using the noid light on? I assume the fuel injectors, is that correct? If the noid light is dim, how much voltage do you have to those fuel injectors with the engine off, key on run?