engine lose power

[loki]

when i start my truck after it has been sittin for about 5 hour or more it has very little power and it seem to be runnin ruff but i take off and it get its power back after about 1/4 mile

[David_T]

Mine does the exact same thing. After reading some other threads here, I think I will get the dealer to load the newest flash. Mine still has the buzz flash and several other posts state the new flash made these symptoms go away!

[lwfox002]

I just had mine flashed last week with the new program. Mine was doing the same thing. Now it runs great. Mine has 91k on it. Ran rough, hard to start until warmed up.

[David_T]

Did you have the buzz flash before... Also, do you know which updated flash they put on? From what I have read, there are at least two newer versions.

Thanks

[lwfox002]

Not sure. I have only had my truck about 6 weeks. It started running bad, I took it to the shop and they reflashed it. Now it works great. I will see if I can find out some details tomorrow.