[Vwdiesel] adjusting max fuel screw?
Area31 Research Facility
stephensrw at stn.net
Fri Apr 22 21:55:00 EDT 2005
All,
I have had to add considerable back pressure as a negative side effect of
making my genset quiet out of respect for sleeping neighbors. As a result
the engine appears to be running too rich. Fuel consumption is way up and
power is down. Engine makes more waste heat, all bad consequences. :( I
was wondering if I could lean it out a bit by adjusting the max fuel screw
on the Bosch FI pump. Am I correct in assuming this is the one at the back
of the pump just above the fuel solenoid wire connection? How does one
adjust it? There are three adjustments, a nut, a sleeve with a wrench
purchase and a square head bolt at the end. I'm thinking the nut closest to
the pump may be just a mounting nut and does not get lossened in the
adjustment. I am running at 1800 RPM under throttle control by an external
mechanical governor. Any ideas welcomed.
Thanx,
Rob
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