1982 Volvo 264FACTORY OEM SERVICE PROCEDURE

Electronic Idle Speed Control: Description

All Gasoline models are equipped with an electronic idle speed control system which maintains a constant idle speed under all conditions. The control unit monitors engine speed and actuates an air control valve which by-passes throttle valve and allows extra air to engine. This air supply is varied to maintain idle speed. System includes the control unit, air control valve, throttle switch, coolant sensor, and connecting wiring and hoses.

Factory Service Tools

Use the Manual With the Right Hardware

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

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

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.