When you say the fuel pump engages repeatidly, do you mean it is on off on off. When it doesn't start, are you getting spark and fuel to the engine?
As far as the regulator, that will cause the battery to go dead. Is that happening?
The fuel pump regulator is on the fuel rail. I need you to check if you are getting constant fuel pressure within specs.
Let me know what you find and if you replaced the fuel pump relay.
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Monday, September 20th, 2010 AT 3:01 PM