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Old 05-08-2012, 04:36 AM   #1
Nuckenfutz
Scooby Newbie
 
Member#: 304210
Join Date: Dec 2011
Chapter/Region: SWIC
Location: Las Vegas, NV
Vehicle:
2017 STI
WRB

Default Air/fuel ratio spiking, backfires every other shift, dies in neutral

Driving home tonight my car started acting kinda weird. First it started backfiring every other shift, then the air/fuel ratio kept spiking to about 16 then dropping as low as 10, then balancing out around 13-14. Put it in neutral while turning into my apartment and it died out. started it up again, put it in the garage and shut it off. started it up again, and it was very sluggish to start idling. had to give it some gas to prevent it from dying. any thoughts? first time i've come across this issue.

09 wrx, perrin CAI, catless downpipe and an HKS BOV are all i have on it at the moment
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