Uneven oven heating service — common in ovens over 5 years old. Causes: one element working, other not; bad convection fan; worn door gasket leaking heat.
See if any of these signs match your device — each one increases the likelihood of this fault.
These are the causes we encounter while repairing Uneven heating in oven — ranked from most to least common.
Bad upper or lower element
Failed or weak convection fan
Worn door gasket (heat escapes one side)
Wrongly positioned temp sensor
Grease buildup insulating one element
Gas: partially clogged burner holes
Any of the following = a danger signal — call now and don't try to fix it yourself.
On-site diagnosis, clear pricing before any work, and a documented 6-month warranty.