1992 Cadillac Seville BaseFACTORY OEM SERVICE PROCEDURE

Test Conditions

PCM Codes E014, E015, E016, E021, E022, E026, E027, E031, E032 and E034 not set. System in "closed loop", throttle switch open, throttle angle 6-30 degrees and coolant temperature greater than 180Β°F (82Β°C). Canister has been at a purge duty cycle of 94 percent (purge enabled) at a throttle angle of 10 degrees or greater for 10 minutes.

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.