Im Stumped... HELP!!! - Ford Powerstroke Diesel Forum
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post #1 of 75 Old 01-20-2020, 07:58 PM Thread Starter
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Question Im Stumped... HELP!!!

2006 6.0 CCSB KR 4X4 Studded Deleted Rebuilt Oil Cooler CCV

Truck had a hot no start issue.
Did AALLOOTT of chasing and repaired an upgraded Dummy as well as 2 upper o rings on injectors 1- & 3.

Hot no start fixed now have a "miss" and 2 codes
P0473 - EBP High
P0678 - GP #8
Once it hits high idle it stays at high idle until i idle it up and it falls back down.

Turbo has been taken apart and cleaned up (wasnt really dirty no real carbon build up and VGT solenoid operated well screen was exceptionally clean no metallic colors or flakes).

New EBP Sensor
New EBP Tube
New IPR sensor and pig tail
New ICP sensor
New GP looms
New Engine Harness
New STC fitting
New O-Rings in HPOP area
New HP O-Rings in top of injector 1 & 3
Turbo Cleaned
VGT in good shape


Scangauge 2 Numbers:

2800 RPM @ 40 MPH 25 LBS BOOST:

ICP - 1336
ICV - 1.86
VGT - 40
MAP - 0.5

2500 RPM @ 60 MPH 25 LBS BOOST:

ICP - 1425
VGT - 37
ICV - 1.74
MAP - 4.7

IDLE (AFTER DRIVING AROUND THE BLOCK TWICE):

EBP - 13.8
BST - 14.4
IPR - 14.8
MAP - 14.3

KOEO (AFTER DRIVING AND IDLE):

EBP - 13.7
VGT - 0
ICP - 0
MAP 14.4

Thats not a cali lean or a squat lmao! Thats around 2k lbs of stone in the bed

Last edited by BCollarSvc; 01-20-2020 at 08:15 PM.
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post #2 of 75 Old 01-21-2020, 05:41 AM
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You installed an aftermarket EBP sensor - this might be the source of the EBP code. As I said in the PM's, I can't say for sure this is a problem for you, but I do not ever recommend aftermarket sensors.

Did you check out the EBP connector thoroughly? Did you inspect the wiring harness to the EBP sensor for chafes?

Is the VGT number still "maxed out" at 85% all the time?

Is your IPR % duty cycle always at 14.8% at idle? Check that again please, it just isn't normal!

I am still leaning towards it being an injector issue.

Lastly - the ForScan Lite program for a smartphone is what you need to do better diagnostic work. The ScanGauge is a VERY VERY poor code reader. You will need an ELM327 OBDII adapter for your phone (WiFi for iOS and BlueTooth for Android works best - I like the BAFX brand). $40 or so total.
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Mark
06 F250CC SB FX4 Lariat; ARP studs; OEM gaskets; Banks exhaust; DynaTrac Ball joints; RACCCV6000; JimmiJammers; Ravelco; SynchroMax in trans case; Fumoto valves; Harpooned; Blue regulator spring; DashDAQ; PHP FICM; RiffRaff boots; DCPower 270AXP; Power Inverter; Bilstein shocks; BPD EGR cooler, radiator, water pump; SCT w/ SRL+; Rotella ELC Ultra Coolant; X2Power AGM batteries
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Last edited by bismic; 01-21-2020 at 05:44 AM.
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post #3 of 75 Old 01-21-2020, 05:52 AM Thread Starter
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True it was aftermarket, I plan on replacing with OEM today.

I replaced with a harness off another 06 that was running, so the guys says. Everything else he said has been true this far and it was super clean.

I’ll double check IPR at idle today.

VGT is maxed out unless I mash the accelerator then it drops but works it’s way back to 85

Also I’m ordering the suggested OBD2 plug and for scan downloaded to the laptop.
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Thats not a cali lean or a squat lmao! Thats around 2k lbs of stone in the bed

Last edited by BCollarSvc; 01-21-2020 at 05:57 AM.
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post #4 of 75 Old 01-21-2020, 06:18 AM
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You might also try the "wiggle test" on the injector harness to see if the miss will happen when you move the harness near a specific injector.

I just don't have any other ideas on the VGT % value and the turbo operation. Maybe others will jump in!

ForScan on a LapTop is the best approach also!

Mark
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post #5 of 75 Old 01-21-2020, 06:23 AM Thread Starter
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That I can do as well. I’ll try anything to keep from throwing anymore parts at it than I already have. I’ll let you know on everything once I’ve done it and recorded my findings.

Thats not a cali lean or a squat lmao! Thats around 2k lbs of stone in the bed
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post #6 of 75 Old 01-21-2020, 05:18 PM Thread Starter
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Numbers after Ford EBP install and warmed up to temp:

VGT - 21 but it still works up to 85 after a few minutes at idle
IPR - 42.1-43.9
ICP - 589-597
EBP - 16.8

No luck on wiggle test...

Thats not a cali lean or a squat lmao! Thats around 2k lbs of stone in the bed
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post #7 of 75 Old 01-21-2020, 05:55 PM
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Quote:
Originally Posted by BCollarSvc View Post
Numbers after Ford EBP install and warmed up to temp:

VGT - 21 but it still works up to 85 after a few minutes at idle
IPR - 42.1-43.9
ICP - 589-597
EBP - 16.8

No luck on wiggle test...
Normal for that year to cycle the VGT at idle -- should work it's way to both ends
touch the brake or throttle should drop to about 50%

That IPR looks high to me with the ICP reading -- high 20's to low 30's for those pressures
your number, means the IPR is closing more than usual
85% is all the way closed - max pressure
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post #8 of 75 Old 01-21-2020, 06:03 PM Thread Starter
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New IPR as well as the updated screen. This thing has me puzzled, i have the obd2 plug coming for FORSCAN should be here Thursday. VGT does cycle although the truck doesnt high idle and reduce as it should???
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post #9 of 75 Old 01-21-2020, 06:14 PM Thread Starter
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New IPR as well as the updated screen. This thing has me puzzled, i have the obd2 plug coming for FORSCAN should be here Thursday. VGT does cycle although the truck doesnt high idle and reduce as it should???

Thats not a cali lean or a squat lmao! Thats around 2k lbs of stone in the bed
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post #10 of 75 Old 01-22-2020, 06:22 AM
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Quote:
Originally Posted by BCollarSvc View Post
New IPR as well as the updated screen. This thing has me puzzled, i have the obd2 plug coming for FORSCAN should be here Thursday. VGT does cycle although the truck doesnt high idle and reduce as it should???
The IPR number is a command. A leak or a weak pump will cause lower than desired pressure and then the PCM will command the IPR to close in an attempt to increase pressure.

So, the IPR valve itself is almost certainly good (being new), but you have a slight leak or a weak pump.
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Mark
06 F250CC SB FX4 Lariat; ARP studs; OEM gaskets; Banks exhaust; DynaTrac Ball joints; RACCCV6000; JimmiJammers; Ravelco; SynchroMax in trans case; Fumoto valves; Harpooned; Blue regulator spring; DashDAQ; PHP FICM; RiffRaff boots; DCPower 270AXP; Power Inverter; Bilstein shocks; BPD EGR cooler, radiator, water pump; SCT w/ SRL+; Rotella ELC Ultra Coolant; X2Power AGM batteries
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