Chevrolet Workshop Service and Repair Manuals > Lumina V6-191 3.1L VIN T MFI (1993) > Powertrain Management | Tune-up and Engine Performance Checks | Idle Speed | System Information | Technical Service Bulletins | Page 2919

Air Cleaner Housing > < Engine - Diagnosing Intermittent Idle Speed Increases|Page 2918

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Idle Speed: Adjustments

The ECM controls idle speed and no adjustment should be attempted.

Powertrain Management
Tune-up and Engine Performance Checks
Idle Speed / System Information / Technical Service Bulletins
Page 2919

Air Cleaner Housing > < Engine - Diagnosing Intermittent Idle Speed Increases|Page 2918