What does a Noid light set do?

Quickly and easily diagnose engine problems with this noid light and IAC tester set. The kit lets you check your engine for issues in the electrical fuel injection system, spark plug circuits or idle air control (IAC) valve in both no-start and stalling engines.

When would you use a Noid light?

A fuel injector noid light will help you to troubleshoot a misfire; no start and other fuel related issues. It is one of those MUST HAVE tools to diagnose the majority of fuel injected engine problems. This test will tell you if the computer is pulsing the fuel injectors open when cranking the engine over.

Are Noid lights universal?

Adjustable probes fit all electronic fuel injection systems. Versatile tool tests throttle body injectors, ported fuel injectors & sequential central port injectors. Attach tool to the car body or windshield w/ suction cup. …

Do Noid lights work on diesel?

The flashing Noid light will confirm that the fuel injector is getting power, and that the ECU is providing a pulse signal to activate it. This eliminates the electrical side of the fuel injector circuit but does not test the mechanical ability of the injector itself. Do not use on high-voltage diesel injectors.

Can you check injector pulse with a test light?

You can check for power and pulse signal as it comes from the computer on each dead injector using a test light, an inexpensive an efficient tool. First, hook the test-light clip to a bolt or bare metal bracket on the engine. Unplug the electrical connector from the fuel injector you want to test.

What component is used by the PCM to determine when the fuel injectors should be energized?

The mass air flow sensor (MAF) is used to measure the flow rate of air entering a fuel injected engine. The PCM uses air mass information to calculate and deliver the correct amount of fuel to the cylinders under all engine operating conditions.

What types of Noid Lites are included in the expanded set?

Expanded set of eight specific Noid Lites covers: GM PFI, Ford TBI, Geo TBI, Bosch PFI, GM TBI, GM SCPI, and now new applications of Bosch 2 and Multec 2, plus two GM IAC testers (flat and square four connector applications) with red and green LEDs.

How to choose a Noid light?

The noid lights themselves work great and are still easily visible with bright shop/garage lights overhead. After the nice list of what each noid light is for falls off the case, you can instead refer to the nice writing on the light itself. Good attention to detail. Otherwise, just grab some until they fit.

What does a Noid light and IAC tester do?

How many Noid lights are included in the fuel injection system?

Includes eight noid lights for fuel injection systems, two IAC testers and 4 foot fiber optic extension cable to test from driver’s seat. Includes eight noid lights for fuel injection systems, two IAC testers, and a 4 foot fiber optic extension cable to test from driver’s seat