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Afm or dfm

rob1

rob1

Full Member
Joined
Jan 3, 2023
Messages
159
Location
Utica ny
Hello everyone does anyone know if a 03 avalanche with 5.3 have afm or dfm
 
neither. active fuel management and displacement on demand were not offered until 2007 and later.

the 1st gen 5.3's have less bells and whistles.
 
fyi AFM = DFM
 
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