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Alan L Alan L is offline
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Join Date: Apr 2006
Location: New Zealand
Posts: 3,249
Your fuel pressure regulator is on the RHS of the fuel head - the screw /nut thing I mentioned earlier.
Your WUR will not be the problem even if it is gummed. It just controls the piston head response during the warm up cycle by varying fuel pressure on top of the head. Either way, you should have enough pressure to work.
Something wrong with your injector opening pressures. If that truely is the pressures (70-80 psi), they are way too high. And may explain your lack of fuel at injectors. You need to be able to measure your system pressure - it may not be much more than your injector pressure.
Opening pressure should be around 50 psi. Some injectors have small filters incorporated - don't know if the 930 has or not - but maybe they are blocked if you have such high pressures.
Jack the car up, and when pumps are running, put your hand on each of them and feel the action. May have to drop the front bash plate for front pump - at least partially (easy - apart from frozen bolts/nuts).
The elecricla part of the WUR is fairly simple - but an ohm meter across the two terminals on the WUR socket and make sure there is continuity circuit with some resistance (heater wire).
If so, as long as you get 12 v on the plug when idling it is going (apart from any possible gumming). If you hook your CIS pressure system between the WUR and fuel head (on the ferrule fittings) you will measure the WUR working - pressure will rise as engine warms up - 5- 10 minutes. Write down cold and warm pressures for future reference. While you are in there.
Old 06-02-2008, 11:52 AM
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