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GM Corsica, Beretta 1988-96 IAC Valve Repair Guide

Access our free Idle Air Control (IAC) Valve Repair Guide for GM Chevrolet Corsica and Beretta 1988-1996 through AutoZone Rewards. These diagrams include:

  • Fig. 1: Cross-sectional view of the IAC valve air flow pattern
  • Fig. 2: Idle Air Control (IAC) valve circuit – except 1996 2.2L Engines and 1994-96 3.1L Engines
  • Fig. 3: Idle Air Control (IAC) valve circuit – 1996 2.2L Engines and 1994-96 3.1L Engines
  • Fig. 4: Unplug the Idle Air Control (IAC) valve electrical connector
  • Fig. 5: Unfasten the IAC valve-to-throttle body retaining screws
  • Fig. 6: Carefully pull the IAC valve assembly away from the throttle body …
GM Chevrolet Corsica and Beretta 1988-1996 Idle Air Control (IAC) Valve Repair GuideOperationTesting

Access our GM Chevrolet Corsica and Beretta 1988-1996 Idle Air Control (IAC) Valve Repair GuideOperation by creating an account or signing into your AutoZone Rewards account. Once you sign in, follow these instructions to access our Repair Guides.

  • Add your vehicle in Manage My Vehicles.
  • Enter your vehicle details.
  • Click the “View More” button, and then click “Vehicle Repair Guides.”
  • Select the chapter “Idle Air Control (IAC) Valve Repair Guide”.

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