Golf L4-1781cc 1.8L SOHC (ACC) Can (1993)
Fuel Injector: Testing and Inspection
Fuel Injector, checking
Checking operation
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Remove intake housing.
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Start engine and let idle.
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If car does not start, operate starter motor.
^ Spray must be visible on throttle valve
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Switch ignition OFF.
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Check Fuel Injector (N30) for leaks.
^ Not more than 2 drops per minute.
Power supply, checking
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Disconnect harness connector -1- from mating connector -2-.
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Connect US 1115 LED tester to two center terminals of harness connector -1- using jumper wires from VW 1594 adapter kit.
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Operate starter to check power supply for fuel injector.
^ LED must flicker
If NO:
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Perform electrical tests. See: Computers and Control Systems/Testing and Inspection/Pinout Values and Diagnostic Parameters
Injector resistance, checking
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Disconnect harness connector -1- from mating connector -2-.