volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Fuel Pressure Regulator|Testing and Inspection|Page 3526 > < Fuel Pressure Regulator|Testing and Inspection
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Specified value: 1 to 5 ohms (at approx. 20° C)

If the specified value was not obtained:

-

Replace the Fuel Pressure Regulator Valve (N276).

If the specified value was obtained:

Checking voltage

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Start the engine. 

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Using a multimeter, check the Fuel Pressure Regulator Valve (N276) electrical connector terminal 1 to ground for voltage. 

Specified value: battery voltage.

-

Switch the ignition off.

If the specified value was not obtained:

-

Check the wiring from the Fuel Pressure Regulator Valve (N276) electrical connector terminal 1 to fuse 7 in Fuse Panel B for high resistance, a
short circuit to voltage, ground, or an open circuit.

-

Check the electrical harness connector for damage, corrosion, loose or broken terminals.

-

If necessary, repair the wiring connection.

If no malfunctions are found in the wiring:

Fuel Pressure Regulator|Testing and Inspection|Page 3526 > < Fuel Pressure Regulator|Testing and Inspection