volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Fuel Pressure Regulator Valve, Checking|Page 2471 > < Fuel Pressure Regulator Valve, Checking|Page 2469
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Switch off ignition.

LED does not light up:

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Locate and repair open circuit in wiring using wiring diagram.. 

LED lights up (voltage supply OK):

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Remove high pressure in fuel system --> [ Fuel System ] See: Fuel Delivery and Air Induction/Description and Operation/Fuel System.

CAUTION!
Fuel supply line is under pressure! Wear protective goggles and protective  clothing to prevent injuries and contact with skin. Before
removing from hose  connection wrap a cloth around the connection. Then release pressure by carefully  pulling hose off connection.

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Remove fuel supply line - 1 -, auxiliary heater fuel  line - 2 -, fuel pump connector - 3 - and vent  line - 4 -.

‹› Press in securing ring to disengage the fuel line.

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Open locking ring using wrench (T10202). 

Fuel Pressure Regulator Valve, Checking|Page 2471 > < Fuel Pressure Regulator Valve, Checking|Page 2469