6.0 issues dont understand.....
Hotshot
Joined: Apr 2010
Posts: 19,060
Likes: 238
From: Saratoga Springs,UT
Im not with you I dont understand the bible thing
A small turbo leak will cause issues just like you have usually idels ok but falls flat on its face if you try to move it most of the time you can hear it leak sounds diff than normal
one last time any codes
A small turbo leak will cause issues just like you have usually idels ok but falls flat on its face if you try to move it most of the time you can hear it leak sounds diff than normal
one last time any codes
Hotshot
Joined: Apr 2010
Posts: 19,060
Likes: 238
From: Saratoga Springs,UT
the fuel lines must be as the Bible says
thats the over fuel condition isnt it you have the return line going to a cylinder head instead?????
is that even possible there diffrent sizes arent they
thats the over fuel condition isnt it you have the return line going to a cylinder head instead?????
is that even possible there diffrent sizes arent they
Thread Starter
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Freshman User
Joined: Jul 2011
Posts: 42
Likes: 0
i'll pull codes and post later.....
there are 2 large lines that are like a 21mm on the upper fuel filter on ir inlet and the other is return
the way i have them on the truck runs and the if i reverse them it wont barely even run....
i'll check for exhaust leaks today too
there are 2 large lines that are like a 21mm on the upper fuel filter on ir inlet and the other is return
the way i have them on the truck runs and the if i reverse them it wont barely even run....
i'll check for exhaust leaks today too
Posting Guru
Joined: Nov 2010
Posts: 1,347
Likes: 0
From: Eagle Mountian, Utah
How sure are you that you got all the old copper washers out. I doubt this is a exhaust leak. If so it would have to be completely plugged. I would put money on a bad injector oring or a old copper washer left in. The 03's don't have HPO leaks like the other years (another benifit).
Thread Starter
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Freshman User
Joined: Jul 2011
Posts: 42
Likes: 0
i popped ALL the copper washers off the injectors myself and replace them with new ones
i'm with you i dont see an exhaust leak doing this....
as far as codes...this thing jumps everywhere
threw and iat then went away
as well as cylinder 1 and 4 and now 5 contribution fault
cept the cyl. 5 stayed and the other 2 were at different times and not at the same time...those 2 went away
then a brake switch
then crank shaft then cam shaft
those are not present now...
check engine light never came on either
something i am missing here....
i'm with you i dont see an exhaust leak doing this....
as far as codes...this thing jumps everywhere
threw and iat then went away
as well as cylinder 1 and 4 and now 5 contribution fault
cept the cyl. 5 stayed and the other 2 were at different times and not at the same time...those 2 went away
then a brake switch
then crank shaft then cam shaft
those are not present now...
check engine light never came on either
something i am missing here....
Hotshot
Joined: Apr 2010
Posts: 19,060
Likes: 238
From: Saratoga Springs,UT
Well if its throwing contribe codes I dont think its exhaust either sounds like its running pretty ruff
since it did throw a contribe code see if you can pull ICP and IPR% out of that scanner
positive all injector hold downs are,properly tourqued 26 ft/lbs
you got the FICM ground wire at the back intake bolt on to right
since it did throw a contribe code see if you can pull ICP and IPR% out of that scanner
positive all injector hold downs are,properly tourqued 26 ft/lbs
you got the FICM ground wire at the back intake bolt on to right
Thread Starter
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Freshman User
Joined: Jul 2011
Posts: 42
Likes: 0
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Hotshot
Joined: Apr 2010
Posts: 19,060
Likes: 238
From: Saratoga Springs,UT
ICP is right in the good range but need the IPR% to see if its trying to make up for a leak
640 icp and 22-23% IPR would be good rande at hot idel
with it bouncing around so much on diffrent codes go over the wire harness really good unplug and check things out look for bent pins maKE SHure harnesses are all fulley pluged in
FICM ground wire on intake bolt in the back is on
640 icp and 22-23% IPR would be good rande at hot idel
with it bouncing around so much on diffrent codes go over the wire harness really good unplug and check things out look for bent pins maKE SHure harnesses are all fulley pluged in
FICM ground wire on intake bolt in the back is on
Posting Guru
Joined: Nov 2010
Posts: 1,347
Likes: 0
From: Eagle Mountian, Utah
I'm betting your #5 injector has alot to do with it. Replace the injector and torque hold down to 26ft lbs. I wouldn't run it in this state. I'm thinking the cam and crank are from a stall type event. I wouldn't bother with those codes.
Logistics Pro
Joined: Mar 2007
Posts: 4,604
Likes: 4
From: Claremore, OK
On the '03 and early '04 it takes quite a bit to get the CEL to come on. It was after my truck died that the ICP caused the CEL to come on. When I cracked the tip this summer (2011), or lost three last summer (2010) the CEL never came on...even though there were codes showing when I pulled them.
I think Benny is on the right path, a bad connection will raise all kinds of havoc with these motors. Just because the truck keeps throwing #5 doesn't mean that stick is bad. The back connection could be in the pigtail that sticks through the rocker box.
More than likely it's something not reconnected completely, once you find it...everything will smooth out.
More than likely it's something not reconnected completely, once you find it...everything will smooth out.
Thread Starter
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Freshman User
Joined: Jul 2011
Posts: 42
Likes: 0
where should i start....
we relearned the turbo and i took it out for a drive...no power hardly at all....it then started to get better...
noticed that there was no speedo...found that the abs wasnt plugged in correctly.....
reinstalled my tuning (superchips 1704-a) on high performance
took it back out and romped it some more
after some rippin with it it finally started to pick up
all this time we had the snap-on verus hooked up monitoring it......
let me tell you this truck has *****....on a mild tune on a stock motor
you ready for this?
994 ft/lbs of torque!!!!!
thats amazing....and i did it like 6 times in a row! everytime maxed out the verus...
so i conclude that it was just air in the fuel lines..that and i added another $70 in fuel to it
we relearned the turbo and i took it out for a drive...no power hardly at all....it then started to get better...
noticed that there was no speedo...found that the abs wasnt plugged in correctly.....
reinstalled my tuning (superchips 1704-a) on high performance
took it back out and romped it some more
after some rippin with it it finally started to pick up
all this time we had the snap-on verus hooked up monitoring it......
let me tell you this truck has *****....on a mild tune on a stock motor
you ready for this?
994 ft/lbs of torque!!!!!
thats amazing....and i did it like 6 times in a row! everytime maxed out the verus...
so i conclude that it was just air in the fuel lines..that and i added another $70 in fuel to it
Freshman User
Joined: Sep 2003
Posts: 30
Likes: 0
From: St. Louis, MO
ficm wiring
i just recently had same issues... had the FICM replaced and took it home... drove well for a few days then bad idle, felt like it was running on 4 cylinders and no power! i thought icp... it turned out to be the small wiring harness under the ficm was shorting out... throwing all kinds of codes and no check engine light... starts fine even after sitting for two days without being plugged in and all kind of power back. just my .02 cents!
Logistics Pro
Joined: Mar 2007
Posts: 4,604
Likes: 4
From: Claremore, OK
where should i start....
we relearned the turbo and i took it out for a drive...no power hardly at all....it then started to get better...
noticed that there was no speedo...found that the abs wasnt plugged in correctly.....
reinstalled my tuning (superchips 1704-a) on high performance
took it back out and romped it some more
after some rippin with it it finally started to pick up
all this time we had the snap-on verus hooked up monitoring it......
let me tell you this truck has *****....on a mild tune on a stock motor
you ready for this?
994 ft/lbs of torque!!!!!
thats amazing....and i did it like 6 times in a row! everytime maxed out the verus...
so i conclude that it was just air in the fuel lines..that and i added another $70 in fuel to it
we relearned the turbo and i took it out for a drive...no power hardly at all....it then started to get better...
noticed that there was no speedo...found that the abs wasnt plugged in correctly.....
reinstalled my tuning (superchips 1704-a) on high performance
took it back out and romped it some more
after some rippin with it it finally started to pick up
all this time we had the snap-on verus hooked up monitoring it......
let me tell you this truck has *****....on a mild tune on a stock motor
you ready for this?
994 ft/lbs of torque!!!!!
thats amazing....and i did it like 6 times in a row! everytime maxed out the verus...
so i conclude that it was just air in the fuel lines..that and i added another $70 in fuel to it
