volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

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See: Computers and Control Systems/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Reading Diagnostic Trouble Codes
See: Computers and Control Systems/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Clearing Diagnostic Trouble Codes

If pressure drops again:

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Check line connections, O-rings on fuel rail and injectors for leaks.

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Checking pressure tester for leaks.

If a leak on vehicle has been rectified.

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Erase DTC memory to return learned values to a neutral (default) position.
See: Computers and Control Systems/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Reading Diagnostic Trouble Codes
See: Computers and Control Systems/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Clearing Diagnostic Trouble Codes

Note:  Before removing the pressure tester, remove fuse 28 again and place a cloth around the connection to be loosened.

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