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how do you check to see if the injectors are working propporly?

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Old 09-21-03, 07:12 PM
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...94% correct.

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how do you check to see if the injectors are working propporly?
title says it all...
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Old 09-21-03, 07:15 PM
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with doctors ears. U should be able to hear them open and close.
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Old 09-21-03, 07:25 PM
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...94% correct.

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even if the car isn't running?
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Old 09-21-03, 07:26 PM
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...94% correct.

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Also, what exactly are the effects of running S4 injectors in an S5 without adapting them...just spliced in the connector?
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Old 09-21-03, 07:34 PM
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if you don't have the right resistance you can burn the injector or ECU. Your best bet is to get them clean if you suspect that they are bad and there are a couple of threads on the forum that explain the difference between injectors.
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Old 09-21-03, 07:36 PM
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...94% correct.

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I know the difference...that doesn't matter when you get a car and go to find out what's wrong and happen to notice that there are S4 injectors spliced in there...

Does anyone know how to test them? What voltage is required to open them up?
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Old 09-21-03, 07:36 PM
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i was just going to ask that question mckenzie.

well it was that and what is a good size of injector for a half bridgeport?
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Old 09-21-03, 07:52 PM
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woa so you can really hear them open or was he ******* around??
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Old 09-21-03, 08:10 PM
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yes, you can use a stethescope type thing to hear them click.

I have a S4 Resistor pack from a '86 GXL if anyone wants it. It worked fine but I got a Haltech so I don't have it or the stock wire harness.
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Old 09-21-03, 08:23 PM
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I would use voltae because you can burn the injector. What you have to do is make a push button for it. Search the forum on that information.
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