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Discussion Starter · #1 ·
Hi all, I have a new problem on my bus, it is smokey and sounds/feels like it is misfiring at full throttle. If you pull on the fuel advance, it runs sweet with no smoke. No difference if hot or cold. I am thinking pump timing? Educated opinions needed!

Another question, if I run it on fuel advance when at normal operating temperature, will it use more fuel than normal.

Cheers... Pete
 

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The cold start advances the pump timing, it doesn't increase fuelling. It sounds like the pump timing is out, you need somebody that knows their onions, as it is set mechanically not by some fancy computer nonsense.
 

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Discussion Starter · #3 ·
Yep, as I thought. I know it advances the pump, but I didn't know if that in itself would use more fuel. So in theory the pump just needs advanced a little. I'm currently in France, so I shouldn't have a problem finding people who know their onions. H:
 
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