03 6.0L Cold miss/No codes

[xsivhp]

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.

[POWERED SPARKLESS]

I wish feel ya, I'm having he same porblem Pretty soon I'm gonna fix that sticking injector the fun way Its called SCT custom tunes. Best of luck to you.

[POWERED SPARKLESS]

I almost forgot

[xsivhp]

Hey thanks for the welcome and quick reply.....Ok what is SCT custome tunes?

[POWERED SPARKLESS]

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

[xsivhp]

I have the banks power pda and intercooler. Great mileage, pleanty of power, no problems. This just came up.

[POWERED SPARKLESS]

I would think about getting rid of your banks stuff, and come to the other side of rolling the coal power Where are you froM?? Maybe a tech in your area will chim in

[fordmugg]

Originally Posted by xsivhp

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

[xsivhp]

Truck was reflashed from a recall about two years ago.I did not have the problem until recently.

[xsivhp]

Joliet Il area.