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2015 Massimo 1000 dying and not starting

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It will run great for a day or so, then it will randomly die, sometimes starting right back up, sometimes not.  Other times it just won't start at all for a couple days then fire right up the next time.  I have drained the gas, refilled with fresh gas, changed the spark plugs, and replaced the entire air filter.  Besides buying a new fuel pump to try, is there anything else someone can suggest.  

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Hard to troubleshoot from a distance.  It could be the fuel pump on its way to the graveyard.  I had a similar problem with my car.  Can't rule out an electrical problem (broken wire, faulty ground or loose/dirty connector) that controls the fuel pump, fuel injectors or the ignition system.  You'll be looking for the proverbial needle in the haystack.  Good luck.  Before replacing the fuel pump, try installing a fuel pressure gauge to see if you have sufficient fuel pressure when the problem occurs.  Or you can connect a hose to the outlet and route to a bucket to see if you're even getting fuel when the problem occurs.  If you're not getting fuel, find out why (faulty fuel pump or not getting 12v to run the pump).  Randomly replacing parts to fix a problem can get frustrating and expensive.


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