Burner problem?

[Silvano]

Hello guys,
I have an 5000 genesis model, i have some problem with firing up, sometimes it get 500 in 10 minutes, sometimes it need 30 minutes and get only 490/480. But the biggest problem is that the heat is not uniform, with all birners hight, only the back one get the grate very hot. If i put 3 piece of bread, the time that back one get burn, the one in front will not even get a good crust.
I havent changed grate/bars/tubes/manifold and, mayne moat important, i used not new gas tank, it was like 60% and now can be lower. What you suggest to change? Or it's normal that the heat is not uniform
Thank you in advice

[DellJones]

Have you cleaned the burners. The usually works for me. Use a small wire brush. Up and Down motion on the front and back burners. And a north to south motion on the center burner


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