1992 Cadillac Seville BaseFACTORY OEM SERVICE PROCEDURE

Test Conditions

PCM Codes E021, E022, E024, E026 and E027 not set, throttle switch closed, vehicle speed equals zero, battery voltage greater than or equal to 11 volts, desired engine speed 152 RPM greater than actual RPM, engine running for more than 7 seconds, no power steering load signal and PCM not commanding an idle speed anticipate.

Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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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.