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Message: <blockquote data-quote="TrickVert" data-source="post: 1484615" data-attributes="member: 8315"><p>I'm going to weigh in on this with a discovery on my car.  I've been having trouble for a long time with initial cold starts.  If the car sets for a few days or a week, it will crank, crank, crank, crank, sputter, sputter, sputter, sputter..... then either catch and run normally, or die, and I have to crank again.  Second cranking is less than the first, but it will usually still sputter a bit before catching.  One day I figured I would just prime the sh!t out of it.  I twisted the key from off to run to off to run at least 15 or 20 times.  On the last one. I cranked it, and it fired right up!  The next time I experimented, I listened closely to the sounds of the pump priming.  For a number of cycles, I heard bubbling sound in the tank as soon as the prime cycle ended.  Once that sound subsided, I cranked the car, and it again came to life immediately.  Somehow and for some reason, my fuel rails/lines/something are ending up empty of fuel.  I have no obvious leaks, but do occasionally notice a slight fuel odor in the garage several hours after returning from a drive, so one of my AN fittings is apparently seeping, but just barely.  That should not by itself be enough to cause the lines to go dry, but if the fuel is vaporizing to some degree, giving that pressure somewhere to go before the fuel cools and re-condenses *could* be culprit.</p></blockquote><p></p>