Description
Most economical way to check electronic fuel injection (EFI) signals
Quick and easy operation. Simply disconnect fuel injectors, and plug the Noid Light into the injector wiring harness
When engine is cranked, normal signals are indicated in rapid flashes of the Noid Light
Either a constant light or no light at all confirms an EFI signal problem
Checks systems of:
Bosch PFI, GM PFI, GM TBI, GM SCPI, Ford TBI, Geo TBI
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