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Hey guys I have a 2012 L99 as well with only 4k miles and my check engine light came on as well for P0442. They said it is the vent solenoid and they special ordered it for me and I have to take it back in and get it fixed. We shall see if it works.
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2012 Camaro SS IOM "TigreSS"
Borla "S" Catback
C.A.I. Intake
VMax Ported TB
JRE Tune |