2003-2009 Chevy Silverado Tahoe Afm Smog Check
2003-2009 Chevy Silverado Tahoe Afm owners — here's what you need to know about smog inspection in California. GM Active Fuel Management (AFM) issues on 2003-2009 trucks/SUVs (5.3L V8) cause lifter failure + cylinder deactivation codes. Diagnose before smog testing.
What you should know
GM Active Fuel Management (AFM) issues on 2003-2009 trucks/SUVs (5.3L V8) cause lifter failure + cylinder deactivation codes. Diagnose before smog testing.
Common questions
Are 2003-2009 Chevy Silverado Tahoe Afm vehicles having smog issues?
GM Active Fuel Management (AFM) issues on 2003-2009 trucks/SUVs (5.3L V8) cause lifter failure + cylinder deactivation codes. Diagnose before smog testing.
What should I do before bringing my 2003-2009 Chevy Silverado Tahoe Afm for smog?
Address any active check-engine codes first, drive 50-100 miles after any recent service to complete readiness monitors, and consider a pre-test diagnostic at our test+repair locations.
Can 2003-2009 Chevy Silverado Tahoe Afm owners qualify for CAP repair assistance?
Yes, if you meet income guidelines. The California Consumer Assistance Program offers up to $1,200 toward smog-related repairs. Apply at bar.ca.gov/online_services/cap.
Test+repair locations
For year-specific issues, our test+repair shops can diagnose before testing — saves you a failed-inspection fee.