Anybody know...

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bustersbus

Well-Known Member
Posts
13,755
Location
Near Dumfries, Scotland
..what this screw is for on the back of me 200tdi injection pump is for?

Cheers;):D

leakoffpipesrenewed019.jpg
 
It's what some people call the "smoke" screw. Turning it in will increase the fueling but will usually result in masses of black smoke. I was told to be very careful as you can increase the exhaust gas temperature to the point where stuff starts to melt quite easily.
 
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