2004 Pontiac Montana. Really stumbled in stop and go traffic once. Now it

[chris]

really skips (shake as well) in gear? There are no dash warning lights. It seems to really happen right after coming to a stop and then going or shortly after. Does not happen at all on the highway. Transmission fluid and filter has been changed.

 

[melsg5]

start with checking when you last had the air filter and fuel filter changed.