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HOMESERVICE MANUALSVOLKSWAGEN2003GOLF (1J1) L4-2.0L (AZG)REPAIR AND DIAGNOSISSPECIFICATIONSCAPACITY SPECIFICATIONSFUEL PRESSURE
2003 Volkswagen Golf (1J1) L4-2.0L (AZG)

Fuel Pressure

2003 Volkswagen Golf (1J1) L4-2.0L (AZG)SECTION Fuel Pressure



Fuel Delivery Rate, Checking







- Compare quantity of fuel delivered with chart.
- Minimum delivery cubic cm/30 seconds
- Voltage at fuel pump with engine not running and pump activated (approx. 2 Volts less than battery voltage).

Example:
During test, 12.2 Volts is measured at battery. The fuel pump voltage is approx. 2 Volts less than battery voltage equating to a minimum delivery of 200 cubic cm/30 s.

Fuel Pump, Checking







- Compare the quantity of fuel delivered with specification.
*) Minimum delivery cubic cm/30 seconds
**) Voltage at fuel pump with engine stationary and pump running (approx. 2 volts less than battery voltage).

Example:
During the test a voltage of 12.5 volts is measured at the battery. As the voltage at the pump is approx. 2 volts less than the battery voltage then this will equate to a minimum delivery of 200 cubic cm/30 s.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.