Thank you everyone who posted suggestions for the problem of over-run on start up on my bx when pointing nose-down hill...its taken a while to ascertain certain causes blaa blaa blaa.
Basically, I had a leaking return pipe which I repaired and the problem stopped......for a while and then returned.
Having asked a collegue at work, he suggested the following:
There is a baffle in the fuel tank designed to keep a resevior of fuel for the feed pipe. He rekons this has disintegrated and allows air into the pipe when the fuel level is low and only when the car faces downhill. I havent had the chance yet to correlate low fuel level vs over-run but does anyone know why over-run occurs at all in the event of air getting into the fuel feed?
Remember Herbie BX?
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jeremy
- Posts: 3959
- Joined: 20 Oct 2002, 16:00
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I think Dave is really the expert on this but if you have a Roto Diesel pump it uses a hydraulic system for controlling the engine speed. Basically the thing wants to run flat out but is controlled by the governor, and so if air gets in the control ceases to function and allows the engine to run ungoverned.
One simple answer mat be to put more fuel in the tank.
Jeremy
One simple answer mat be to put more fuel in the tank.
Jeremy