What is your question?
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What is your question?
I'll be driving, when engine is cold or just started, driving at 60 the room will surge 250-500 RPM then so it warms up it stops. Today it was super cold and it started bucking
What makes this problem better or worse?
Warmer weather
How long has your 2007 Chevrolet Silverado 1500 had this problem?
Super cold today just started bucking today