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Generac — Check Fuel Pump

Testing & diagnosis

From a Generac service manual covering: Craftsman 2200i C0010020, Craftsman 3000i C0010030, GP2200, GP3000i, GP3500iO, IQ3500, PRO-3000i INV3000DMN, Premier 2200i INV2200DMN, iQ2000, iQ3500, iX 1600, iX 2000…. Check it applies to your exact model before use.

Applies to: Generac GP3000i, Generac GP3500iO, Generac IQ3500, Generac iX 1600, Generac iX 2000

Before you start

  • Explosion and Fire. Fuel and vapors are extremely flammable and explosive. Add fuel in a well ventilated area. Keep fire and spark away.

Procedure

  1. Open side panel to expose carburetor (A) and fuel pump (B).
  2. Carefully remove fuel line from filter on inlet side of carburetor.
  3. Using a suitable container, slowly pull on recoil cord and turn engine over; fuel should flow from fuel line.
  4. If fuel does not flow, verify fuel is available to pump; inspect fuel filter and pulse line.
  5. If fuel does not flow, replace fuel pump.

Tools required

  • suitable fuel container Amazon

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

Full service-parts list: Generac GP3000i →, Generac GP3500iO →, Generac IQ3500 →, Generac iX 1600 →, Generac iX 2000 →

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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