Exhaust Gas RECIRCULATION

WARNING: This page is about a different car, the 2003 Pontiac Grand Prix, 2003 Chevrolet Malibu, and 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Use protective gloves, or allow exhaust system to cool, before servicing exhaust system components.

NOTE: Manufacturer does not provide testing procedures for many individual systems and components. For EGR system testing not listed, perform related DTC testing procedure. See DIAGNOSTIC TROUBLE CODE DEFINITIONS in SELF-DIAGNOSTICS - 3.1L CENTURY, GRAND PRIX & MALIBU article.

NOTE: For EGR system diagnosis, see INSPECTION/MAINTENANCE - EXHAUST GAS RECIRCULATION SYSTEM SET PROCEDURE in SELF-DIAGNOSTICS - 3.1L CENTURY, GRAND PRIX & MALIBU article.