Ford Mustang Forum - View Single Post - Air/fuel ratio spiking in a new Mustang, sometimes losing power.
View Single Post
post #15 of (permalink) Old 02-05-2013
JeffCO. Coyote
JeffCO. Coyote's Avatar
Joined: Jul 2012
Location: Desoto
Posts: 103
I looked the other day at my afr gauge (premium) and I ran my car through the gears. It never seemed to drop lower than 13.8-14.1. Is this possibly because my car was built dec 17th supposedly after the pcm update?

1968 Red Fastback 289, c4, air, power steering
1989 Black GT 306, t-5, e303, 3.73, weight reduction
2013 Sterling Grey Metallic Premium GT, TrackPack, Recaros, Outlaws, JBA OR-X, Barton Shifter, Barton Two Post, JLT Oil Seperator, Airaid CAI.
JeffCO. Coyote is offline  
For the best viewing experience please update your browser to Google Chrome