There are a few veriables that go into this including a clogged orifice or a clogged/restricted burner. My recomendation would be to have a tech look at this.
I believe That model range uses a Teddington gas valve/thermostat/safety. If you have a sustained pilot, then the safety curcuit is ok. You’ll need a new thermostat valve. But I’m uncertain of that model number because of the 2. Look at the oven control valve to se if it looks like this;
Please note:
This action will also remove this member from your connections and send a report to the site admin.
Please allow a few minutes for this process to complete.