[urq] Urq, WX, Head Problems, etc.
bradyzq at hotmail.com
Sun May 20 12:58:36 EDT 2007
I think I have read the entire thread, but if what I ask has already been
covered, I apologize.
What fuel pressure regulator setup do you have? If you have more than big
enough injectors running at 100% duty cycle, it makes me think that your
fuel pressure may be too low.
Do you have a fuel pressure regulator that is boost-referenced? For example,
if you set the pressure at 3 bar with the engine off, does the fuel
pressure rise to 4 bar when you are at 1 bar of boost? If not, this could
cause a major lean condition!
Is your fuel pump getting full voltage?
Is there a restriction between the tank and the pump? Anywhere else in the
fuel lines? My tank had a blockage at the pickup that caused the pump to
work so hard that it collapsed the hose between the tank and pump.
91 200qa20v barge
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