Beetle L4-1781cc 1.8L Turbo (APH) (1999)
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Connect one contact of the injector to be tested to engine Ground using auxiliary cables from V.A.G 1594.
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Connect second injector contact with auxiliary cable to remote control V.A.G 1348/3 using adapter cable V.A.G 1348/3-2.
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Connect alligator clip to battery (+).
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Initiate output DTM (the fuel pump must run). See: Computers and Control Systems/Testing and Inspection/Scan Tool Testing and
Procedures/Output Diagnostic Test Mode (DTM) (Function 03)
NOTE: This work sequence allows the fuel pump to run when the engine is not running.
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Operate remote control V.A.G 1348/3 for 30 seconds.
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Repeat check on the other injectors. To do this use new measuring glasses.
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After all injectors have been activated, place the measuring glasses on a horizontal surface and compare the injected quantity.
Specification: 135 - 165 ml per injector
If the measuring values of one or more injectors are above or below the prescribed specifications:
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Switch off ignition.
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Replace malfunctioning injector, item 10.
Pay attention to the following when installing the injector:
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Replace O-rings on all injectors and lightly moisten with clean engine oil.
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Insert injectors vertically and in the correct position into the fuel rail and secure with retaining clips.
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Fit fuel rail with secured injectors onto intake manifold and press in evenly.
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Check DTC memory, if necessary, repair any malfunctions and then erase DTC memory, checking and erasing DTC memory. See: Computers and
Control Systems/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Reading Diagnostic Trouble Codes
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Read-out the readiness code. If the DTC memory has been erased or the engine control module was disconnected from permanent positive, the
readiness code must be generated again. See: Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and
Readiness Codes See: Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes