Having some problems coil/heat plz read

[Thunderpimp]

Hello thanks for taking the time to read my post. I have a 2000 celica gt 1zzfe, ignition coil #4 burned out causing misfires so I checked all my grounds and replaced it. The same **** coil has burned out again . My second problem, The heat doesnt always work in my car and when it does its when the car is moving, I can feel air blowing just not heat. When the heat isnt working at all the car runs a little hot. I check the coolant and its fine.


Big thanks to any help.

[ElectroTech]

not sure about the coil burning out but the heat issue sounds like the thermostat to me, I had another car that did that.

[Thunderpimp]

Thanks I was thinking that or a lazy waterpump. But the thermostat is much cheaper. I just have to get off my lazy butt and do it

[Smaay]

check your coolant level. you might have a large bubble in the system