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The initial injector test is pretty easy. You loosen the clips that hold the connectors on the injectors. Start the car and then unplug an injector. There should be a slight drop in idle speed and the idle will become a bit rough. Plug it back in and the idle should pick back up and smooth out.
Do this for each injector. If an injector is bad you won't see any change when you unplug it. You'll still need to verify there's voltage to that injector (to make sure it's the injector that's bad and not the wiring), but that procedure is in the manual.
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Lee
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