I took my Suzuki XL-7 out for a short drive this afternoon then parked it for lunch. I came out 45 minutes later and started it up, but it ran *very* rough for about 10 seconds then quit. I started it again but had to keep pressing the gas pedal to keep it running, and even then it ran very rough again and died after about 6-8 seconds. I could not get it started again after that. It cranks fine, so the battery and starter are doing their job, but the engine (V6) just won't fire up. It has never done this before and there was no indication prior to this that anything was going wrong. I spoke with an ex-mechanic at Auto Zone who said it could be anything from an ICV or ECV, to an EGR valve, to vaccum, to fuel pump and/or filter, and more. I suspect I should start with the easiest thing and work my way through diagnosing the hardest component, but I am not sure where to begin or how to check any of these things. I checked for loose hoses and wiring--none of that. Any help would be much appreciated!
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