Falls on its face at hard throttle near 2-3 shift - Ford Powerstroke Diesel Forum
 
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post #1 of 4 Old 04-26-2013, 06:08 PM Thread Starter
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Falls on its face at hard throttle near 2-3 shift

Yesterday I was driving and I hit it about 3/4 throttle and the all of a sudden the rpm's dropped like I let off the throttle(kind of like a hiccup)and I stayed on the throttle and 1 sec after it was pulling hard just like it did before this happened and about 2 min later i hit it again just like i did before and it was fine and ran like it usually does. The truck has 30k miles on it and has always ran perfectly. I just remembered after it happened that I haven't changed the fuel filters in about 15k(almost a year maybe)miles and the truck does a good amount of idle time. I just been so busy. Please let me know what you guys think I would really appreciate it. You can see in my sig the work I have done. I run the 275 tune and haven't done any updates since I installed it about a year and 1/2 ago. Let me know what you guys think about everything. Thanks

2010 F-450 Harley Davidson Edition

spartan 275
K&N intake
compelete egr delete w/elite external wastegate kit
machined and decked heads w/ARP head studs
CFM+ adapter w/throttle body delete
all 3" intercooler pipes
5 inch downpipe ceramic coated into 4" duals
Dpf & Cat delete
one up off-road F-450 traction bars


Thanks to sean at street diesel performance in chaplin, CT for all of the help. One of the best in the business.
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post #2 of 4 Old 04-28-2013, 03:06 PM Thread Starter
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Anyone have any opinions of what can be going on. Thanks, I would appreciate it.

2010 F-450 Harley Davidson Edition

spartan 275
K&N intake
compelete egr delete w/elite external wastegate kit
machined and decked heads w/ARP head studs
CFM+ adapter w/throttle body delete
all 3" intercooler pipes
5 inch downpipe ceramic coated into 4" duals
Dpf & Cat delete
one up off-road F-450 traction bars


Thanks to sean at street diesel performance in chaplin, CT for all of the help. One of the best in the business.
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post #3 of 4 Old 05-01-2013, 09:41 AM
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My truck does it every now and again if i get on it too hard when getting on the highway, just cuts out and makes you a dead duck until you let off the throttle for a second. My only guess is the computer cuts out due to fuel problems or smething so the motor doesn't blow?
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post #4 of 4 Old 05-05-2013, 05:44 PM
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Could be a failings lift pump. I'd recommend a FASS titanium pump. The regulated fuel pressure should solve what you're describing. Another possibility is EBP sensor. Right behind fuel cooler on d/s valve cover. 16mm wrench for the fitting and 25mm on the sensor. Chemtool cleans both well. Don't insert anything other than a toothpick into the sensor so not to damage it.


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