Camry 2003: Strange noise when starting

[PersonX]

Hi. I have a Camry Altise 2003, automatic, 170,000 kms. It's a second hand.

1/ Every time in the morning, when the car's engine is cold, it has strange noise after it gets started. The engine has loud noise like zit zit zit zit. The noise disappears after about 2 minutes. This symptom does not appear if the engine is still warm. Does somebody know what it is and how to fix it?

2/ The car seems to be staggering and floating when driving at 20-40kph. However, the car runs smoothly at 80-100kph and over, no problem at all. This car has just had its wheels balanced and steering adjusted in about 1000kms. Does somebody know what it is and how to fix it?

Thank you

[FRM05A]

1) most likely the drive belts, adjustment and lubrication may be required?

2) engine mounts? drive shafts?

should get it check out with your local mechanic.