Note On Intermittents

1993 Cadillac Seville BaseSECTION Note On Intermittents

If fuel pump test point is grounded, fuse will blow and PCM Code P020 will set. If necessary, replace fuse. Start engine, and allow it to idle. Manipulate affected wiring and connectors. If fault occurs, fuse will blow and engine will stall.

Fig 1: PCM Code P020 Flow Chart (3 Of 3) - Open Fuel Pump Ckt.
G93I40293Courtesy of GENERAL MOTORS CORP.
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:

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