Question about 2009 Ford F-150
Truck was low on fuel and parked on a decline hill. new battery, cranked perfect, but would not start. towed to dealer sat over night and started perfect the next day when sitting on level ground. this has happened 2 times. first time ford replaced the fuel pump. no error codes and started the first time at dealer also.
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Posted on Jan 02, 2017
I'm assuming that your engine is fuel injected. I had this same problem with a 93 s-10. The problem was a drop in oil pressure after the engine reached operating temp. The computer, sensing a drop in oil pressure would not let the injectors fire when I tried to restaart the engine. I used a jumper wire to bypass the oil presssure sending unit and never had the problem again. If the jumper wire works, then you either have a bad oil pressure sending unit, or you have a problem with low oil pressure. Hope this works for you.
Posted on Dec 14, 2010
have diagnostic codes checked to see if you have a cam or crank sensor fault. make sure fuel pressure is at the required pressure, just testing to see if you have fuel at the valve is not enough. replace all spark plug wires. if you replaced two then all are just as old and even when they "look good" does not qualify as "they are good". Replace coil pack. start up drive away happy
Posted on Sep 05, 2011
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