2006 Ford 6.0 Problems

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I got the EPP last year at this time. I had it for a full year and the thing did nothing for my truck. SO i resently sent it in to get reprogramed. After installing it this time around i notice huge power gains. But soon after my service engine light came on, then the fuel system warning, then i lost all power. I pulled over, shut off the truck, restarted it with the Epp on stock mode and it ran fine the rest of the day. This happened several times over the last week. So last night i took it back out of my truck, and wow the service engine light is gone and the truck ran great for me all day long. Incase anyone cares it was giving me a P2290 code when i had it checked. If anyone is having this problem and or can help me in any way, please respond.

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Possibly a pump issue in the truck where its not able to keep up with the demanded injection pressure. When does it happen, just when you romp on it?, cruising, Dead stop/pedal down? The power puck primarily modifies injection pressure among other things. Some say the stock fuel system on these trucks is barely adequate for what its bolted to, others disagree. How many miles are on the truck?

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90,000 miles on the truck. Has a new fuel injection modular on it. The truck loses power both in town at low speed and when i get on it. I have had the fuel system light come on in both cases, and the truck falls on its face.

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DonC
Are you gonna get back to me on this?
Still not sure what to do with the EPP, because i sure cant use it in my truck if its gonna cause these problems.
Thanks
Matt Carter
Matt Carter Distributing Inc