1982 Oldsmobile Firenza Base, 2.0L Eng VIN B, Standard TransFACTORY OEM SERVICE PROCEDURE

Computer Command Control: Operation: Notes

The CCC system consists of the following sub-systems: Fuel control, data sensors, Electronic Control Module (ECM), spark timing, Idle Speed Control (ISC) system (all carbureted models and Cadillac 4.1 L V8), Idle Air Control (IAC) system (all fuel injected models, except Cadillac 4.1L V8), emission control, Torque Converter Clutch (TCC), diagnostic system and catalytic converter.

Fig 1: Schematic of Computer Command Control System
G09340218Courtesy of GENERAL MOTORS COMPANY
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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.

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