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Generac G0072100 — Checking Fuel Pressure

Maintenance · Fuel regulator

For the Generac G0072100, from the Generac service manual.

Applies to: Generac G0072100

Procedure

  1. Close fuel supply valve.
  2. Remove top fuel pressure test port and install manometer.
  3. Open fuel supply valve and verify fuel pressure is within specified values.
  4. Record static fuel pressure.
  5. Close fuel supply valve; keep manometer connected for future tests.

Tools required

  • Manometer Amazon
  • 3/16 in hex key (test port on fuel regulator) Amazon

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

Specs & values

  • 3.5–7.0 in water column NG
  • 10–12 in water column LP

Full service-parts list: Generac G0072100 →

Source: Generac service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

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