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Old 11-23-2024, 12:34 PM   #1
drifter001
Scooby Newbie
 
Member#: 324227
Join Date: Jun 2012
Chapter/Region: NWIC
Location: Seattle
Vehicle:
05 wrx
cgm

Default Misfiring under boost

Not sure if I’m posting in the right spot so mods please feel free to move as needed.

I’ve got a 05 wrx that’s been tuned by a reputable shop. Lately I’ve had an issue where I get a misfire code from a single cylinder. Upon further examining, I noticed that it happens after passing about 5psi boost. My initial thought was maybe a bad coil pack but after paying more attention to my boost, I’m thinking that may not be it. Any suggestions on where to start?
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