Genesis 900 (1000) Flame Out

PepPep

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Aug 29, 2025
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Location
New England
Grill
Genesis 900
Our ancient three burner Genesis has been pretty reliable with one set of replacement burners and not much else, until now.
The grill has three burners that are connected so only one, the primary, burner is actually initially ignited and the others light from a crossover tube.
It has a symptom that seems to indicate an issue with fuel delivery, possibly too much.
When trying to ignite the primary burner (using a match) with the burner knob set to full/ignite setting, it is reluctant to light and appears to be blowing out the flame. That seems to indicate that the fuel delivery is overpowering the flame.
I discovered that turning the primary burner setting down to medium the burner can be lit without issue.
This is a fairly recent development on a grill that dates back to the early 1990s.

The SS burners do have some light rust but all of the openings seem fairly clear.
The burners are not new but are oem replacements.

The manifold/valves have never been replaced.

Any ideas on what the issue may be related to?
 

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