Posted 11/19/2023 21:46 (#10488808 - in reply to #10488766) Subject: RE: 2015 suburban with cylinder deactivation
2013 GMC with 5.3. Bought at 127k. At 202k had to have the AFM drain valve replaced. Plugged in a Range AFM disabler right after that. 228k now and no issues. My suggestion, buy it and put the AFM disabler on it immediately and never look back.