why would the 2.2 eco tech be using quart of oil a day and have blow back out oil cap
Most likely an internal engine problem with that much consumption, broken rings, cracked piston even a cracked block.
All check your PCV and associated hoses as well.
Looking for a Used Malibu in your area?
CarGurus has 50,170 nationwide Malibu listings starting at $2,111.
Search Chevrolet Malibu Questions
Chevrolet Malibu Experts
Related Models For Sale
Used Cars For Sale