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Fuel Pump Flow Test

WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2001 Pontiac Montana, 2001 Pontiac Aztek, 2001 Oldsmobile Silhouette, 2001 Oldsmobile Bravada, and 2001 GMC Sonoma. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove fuse for fuel pump circuit. Disconnect fuel line at fuel pump outlet fitting. Install a hose at fuel pump outlet fitting and place hose in container to collect fuel.
  2. Crank engine for 15 seconds. If fuel pump does not supply about a 1/2 pint of fuel in 15 seconds, diagnose fuel system. See FUEL SYSTEM PRESSURE TEST .
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