Check to make sure the housing is not real tight should be snug. Clean the spring out with some carb cleaner since there may be some dirt and grime blocking it.
how to turn off child-lock without remote daewoo DL-32C3
Try checking the catalytic converter. If you remove the emissions sensor from the exaust manifold you can chack if it starts ok, although noisy. If it goes ok then the catalytic converter could be blocked causing back pressure.
Contact a Daewoo dealer
Daewoo Lacetti was created in 2003.
Go to parts store, go to oil section, find the oil labeled "hydrolick oil Daewoo G25S