Car was running completely fine. Drove it somewhere, sat in the car with it running for 10 mins and when I came back in about an hour it started one time and the RPMs dropped and the car died and never started again. I wasn't hearing the fuel pump when I turned the key so I thought for sure it was that so I replaced it with a Walbro 255 and I can hear it now but still won't start. Battery is good, new alternator, cranks so it's not the starter. Haven't had a lot of time to look at the car since it's parked somewhere but I checked one spark plug and it was dry. The car won't push start either. Any ideas?

 

Did you ever resolve your problem?