99-03 7.3L Performance Discussion of 99-03 7.3 Liter Ford Powerstroke Turbo Diesels Related To Performance And Longevity

Any help would be great 7.3 1999.5

Old 12-06-2015, 01:25 PM
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Default Any help would be great 7.3 1999.5

Here's my problem the truck runs good actually .when sitting in neutral and I Rev it up and when it comes back down to idle it starts shaking and romping a little at idle but goes away after a couple of seconds . The gas tank has been completely redone new fuel pump new fuel filters full tank . I have a bully dog tuner on it and when I set it to the highest setting I don't get any Blacksmoke also seems to have more power at half throttle then full throttle. Also my service engine light comes on and off seems to come on when I give it gas and goes away when I let off the gas . the bully dog also give me a P 1316 code. What I don't understand is the truck runs amazing at half throttle but soon as I Floor it's like it's on cruse control no gain but definitely much faster at half throttle, and with the bully dog turn on the highest setting I should have black smoke coming out, sometimes I do get Blacksmoke but most of the time I don't get any, not that I want it to smoke I just know when it's at a high setting it should be pushing up some black smoke. Any help would be great thank you very much

Also I'm throwing all these codes. P1316-PO238-PO478-P1211-PO541
Old 10-18-2016, 09:38 AM
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Check hpop
Old 10-20-2016, 01:37 AM
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Check the ecp and it is not uncommon for a 7.3 not to blow smoke at high program setting as I have seen and done many some just dump smoke even at low programmed setting and some don't even at there highest setting witch isn't bad just means your getting every bit of your power

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