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Originally Posted by mikeemon
Has the injector unit been replaced, or checked for leaking? My 99 would start fine first try in the morning, and for the rest of the day have trouble starting. There were small leaks at the injector body. Replaced the spider and all is well.
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Well when I had it all apart to change the intake gaskets, Before I put the upper plenum back on I turned the key and cycled the pump about 5 times, while paying close attention to the spider assembly, I didnt see any visable leaks coming from the spider at all, it actaully looked like it had been replaced in the last 5 years or so, also vac tested the pressure regulator and it was holding vac fine.