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03 6.0L Cold miss/No codes

1989 Views 11 Replies 4 Participants Last post by  lwfox002
Cranks/Starts good, feels like one or more cylinders gone. Cycling key (longer glow plug time) no change. No codes present. Replaced driver side glow plugs. No change. At normal operating temp. runs great, lots of power. Have factory manuels but not much info on driveability if no codes present. Problem only exsists when sitting for more than ~8hrs regaurdless of outside temp. Where should I test next, or is this a common issue? Thanks. Keith.
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I wish feel ya, I'm having he same porblem:doh: Pretty soon I'm gonna fix that sticking injector the fun way:hehe: Its called SCT custom tunes. Best of luck to you.
I almost forgot

:ORG welcome:
Hey thanks for the welcome and quick reply.....Ok what is SCT custome tunes?
It's as far as I know the best tuner for the 6.0, there are several dealers here that offer custom tunes that will give you better mpg and tons of peddel response:icon_ford:
I have the banks power pda and intercooler. Great mileage, pleanty of power, no problems. This just came up.
I would think about getting rid of your banks stuff, and come to the other side of rolling the coal power:icon_ford: Where are you froM?? Maybe a tech in your area will chim in:bump:
Cranks/Starts good, feels like one or more cylinders gone. Cycling key (longer glow plug time) no change. No codes present. Replaced driver side glow plugs. No change. At normal operating temp. runs great, lots of power. Have factory manuels but not much info on driveability if no codes present. Problem only exsists when sitting for more than ~8hrs regaurdless of outside temp. Where should I test next, or is this a common issue? Thanks. Keith.
have you had your truck re-flashed with the newest flash ......mine did the same i would start in the morning and it would sound like bowling balls in there and i would have no power untill it wormed up ......but i got it flashed at the dealer and its great now
Truck was reflashed from a recall about two years ago.I did not have the problem until recently.
Here is a monday morning :bump: maybe someone at work isn't acutally working:rofl: and can help you
Mine was doing a similar thing and I had the latest flash done and it fixed the problem.
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