HIGH FUEL PRESSURE
Centurion Excessive Fuel Pressure at Engine Inlet

Control panel shows HIGH FUEL PRESSURE or FUEL REGULATOR fault; engine may run rough or surge.

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Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

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Possible Causes

Failed primary gas regulator at tank or meter, Incorrect regulator installed for Centurion generator, Misadjusted secondary regulator, Blocked regulator vent

How to Fix / Troubleshooting

Safety first: Turn the generator OFF and shut off gas supply. Do not attempt to adjust gas regulators without proper training and manometers.

  • Visual inspection: Check the Centurion secondary regulator vent for obstructions such as insect nests or debris.
  • Confirm correct regulator: Verify that the installed regulator matches the specifications in the Centurion installation manual.
  • Do not adjust blindly: Do not turn regulator adjustment screws without pressure gauges connected.
  • Contact gas professional: Have a licensed gas fitter measure inlet and outlet pressures and correct or replace faulty regulators.

When to call a technician: High fuel pressure is a safety hazard. A qualified technician must correct regulator settings and replace any defective components.

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Repair Difficulty

Professional Required 5/5

Required Part

Secondary Gas Regulator
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