What does a noid light tell you?
7602 NOID LIGHT GM PFI
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Open Feb 11, 2025 - 08:06 AM
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Feb 11, 2025 - 08:06 AM
A noid light is a diagnostic tool used to check the presence of electrical signals at a fuel injector connector in an internal combustion engine. When connected, it flashes in sync with the injector pulse, indicating that the engine's computer is sending the correct signals to the fuel injectors. If the noid light does not flash, it suggests a problem with the injector circuit, such as a faulty connection, wiring issue, or a malfunctioning engine control unit (ECU).
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7602 NOID LIGHT GM PFI
Features and Benefits: Flashes which indicates normal pulsing voltage A proven test device to quickly determine of the electrical signal is present at the fuel injector This noid lite covers GM port fuel injection (PFI)Noid-Lites are the fastest, easiest, most economical way to check electronic fuel...
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