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Smoke in cabin under hard acceleration

MRLSICAPRICE

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Hi guys just wanted some help,i own a 04 wk caprice ls1 it is maff tuned has otr pacemaker extracters sports exhaust two days ago it started smelling like fuel and a bit of smoke would enter the cabin after abit of hard acceleration thought it could be blocked cats I put another pair of high flow ones on and it is still smoking and is chewing fuel it's tuned to 98oct and it has chewed nearly a full tank yesterday could charcoal cannister have anything to do with it any help would be much appreciated plz thanks

Sorry smoke is blue/white smoke apart from smoke issue it starts runs and drives fine
 

Fu Manchu

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Stuck injectors. Sounds like one or multiple injectors are staying on.
 

Fu Manchu

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Go to 2:12 to see the smoke.

Love this guy’s fault finding processes.
 

MRLSICAPRICE

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Stuck injectors. Sounds like one or multiple injectors are staying on.
Thanks man ill have alook at injectors had a mate tell me could be valve stem seals but i doubt it could be hopefully
 
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