So I've been having an issue with my 94 318 lately. It's usually only fired up on weekends and lately it fires up and seems to have no power until it warms up a bit. Once warmed up it has no issues and the power level is normal. Any ideas? I've owned this truck for 6 years and never had this issue until recently

 

No idea with that little bit of info to work with. I would hate to start the guessing game that could go on forever. give us some more to work with please.