No Acceleration CF!
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Junior User
Joined: Feb 2014
Posts: 95
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From: San Diego
No Acceleration CF!
I posted this in the excursion forum too.
I'm at the end of my rope boys..... I just returned from deployment overseas, excited to get in my truck and ride with the windows down..... Only to find it losing power when I accelerate. It will slowly gain speed but it seems to have no turbo/boost. So I start down the road troublehooting.
I have pulled the EGR valve and it was clean
Checked Map hose, cleaned port on intake
Changed the ICP
Changed the IPR
New Powermax turbo
VGT learn done
New batteries
New DC power 250
Pulled the EBP sensor and cleaned. Even tried it unplugged
New fuel pump
New FICM with Atlas 40 from ED
Archoil and Rotella
New oil and fuel filters
Stock oil and fuel caps
Truck is 2003 6.0L Ex 163k
New ARP studs/gaskets/
Has a tune but also ran it in stock; no change
Flushed and filled with CAT ELC
Has new BPD oil cooler relocate behind passenger batt
So for my scan gauge numbers....
My deltas are good; 201/196
When I pull out, and normally drive my IPR will do 86.7 in the throttle but ICP won't go above 15-1700. If I floor it the IPR will jump to the 86 but the ICP drops to 700-800 and it's obvious the truck just doesn't have power. It feels like everything is working. Turbo spools and it acts like it wants to roll coal.... But it won't. That ICP drops and she falls on her face.
I ran the SCT code and usually don't get anything except the 1000 which isn't anything. I once got a P0278 and P2623
I even tried another ICP today. The pigtails were clean and I had already swapped them last year.
What else ???? It starts fine. So it shouldn't be the HPOP but that's all that's left really. When I do start it, it starts right away but sometimes will kinda rev or run into the start. Either way of all the troubleshooting steps it seems normal. I just don't have the power.
Of all the searches on the forum and online I have found folks that explain the same symptoms but never post back as to what fixed it. One thing I also aim to do is have the "solved" for this to be added to our posts for guys in the future.
Sorry for the long winded poast.....I know knowledge is power so I wanted to list everything.
Fire away.....
I'm at the end of my rope boys..... I just returned from deployment overseas, excited to get in my truck and ride with the windows down..... Only to find it losing power when I accelerate. It will slowly gain speed but it seems to have no turbo/boost. So I start down the road troublehooting.
I have pulled the EGR valve and it was clean
Checked Map hose, cleaned port on intake
Changed the ICP
Changed the IPR
New Powermax turbo
VGT learn done
New batteries
New DC power 250
Pulled the EBP sensor and cleaned. Even tried it unplugged
New fuel pump
New FICM with Atlas 40 from ED
Archoil and Rotella
New oil and fuel filters
Stock oil and fuel caps
Truck is 2003 6.0L Ex 163k
New ARP studs/gaskets/
Has a tune but also ran it in stock; no change
Flushed and filled with CAT ELC
Has new BPD oil cooler relocate behind passenger batt
So for my scan gauge numbers....
My deltas are good; 201/196
When I pull out, and normally drive my IPR will do 86.7 in the throttle but ICP won't go above 15-1700. If I floor it the IPR will jump to the 86 but the ICP drops to 700-800 and it's obvious the truck just doesn't have power. It feels like everything is working. Turbo spools and it acts like it wants to roll coal.... But it won't. That ICP drops and she falls on her face.
I ran the SCT code and usually don't get anything except the 1000 which isn't anything. I once got a P0278 and P2623
I even tried another ICP today. The pigtails were clean and I had already swapped them last year.
What else ???? It starts fine. So it shouldn't be the HPOP but that's all that's left really. When I do start it, it starts right away but sometimes will kinda rev or run into the start. Either way of all the troubleshooting steps it seems normal. I just don't have the power.
Of all the searches on the forum and online I have found folks that explain the same symptoms but never post back as to what fixed it. One thing I also aim to do is have the "solved" for this to be added to our posts for guys in the future.
Sorry for the long winded poast.....I know knowledge is power so I wanted to list everything.
Fire away.....
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