Rough idle at start up need help
 

I have an 04.5 CR I recently replaced the prv on the rail and the sensor. The new sensor ended up being bad and started throwing cam position sensor codes and fuel pump codes and it idled like crap so i put the old one back in now it runs fine no codes. After that little issue for the last couple days on start up it kinda idles funny and as a little white or blue smoke then it smooths out and runs fine the longer it sits the longer it idles funny. Where do I start? What could be my problem now? And help would be great. Thanks

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Does it start hard?

You have a leak air is getting into the system Very small so it's going to be hard to find!