Running rough when cold

shotbirdsc

Registered User
I thought I could figure it out but my car runs real rough until it gets to the N in the temperature department. If I accelerate the rpms go up but it almost seams as if it cuts the fuel back? When it warms up it seems to run good again? No cel. Any ideas?
 
my fuel pressure regulator acts up sometimes when cold stp gas treatment helped i never did have it bad enough to replace it
 
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