I have personally done this by just loosening the regulator and catching the little fuel that leaks out, then replace with new regulator, and then to build pressure in the system again I just turn the ignition switch on for a few seconds (20 secs), then off and repeat this a few times (4 X) and the fuel rail pressure will be more than adequate for a start attempt.
You can also build fuel rail pressure by placing a jumper on the Diagnostic plug terminals for about 2 mins - this jumpers the fuel pump relay causing the fuel pump to run continuous while jumpered.
The fuel system is self bleeding.
Quality and not quantity counts.
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Last edited by ron1004; 12-11-2007 at 10:12 AM.