Turbo and ECM performance/ need some help - Ford Powerstroke Diesel Forum

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post #1 of 65 Old 01-07-2013, 08:27 AM Thread Starter
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Turbo and ECM performance/ need some help

Ok I have trying to find a common on these trucks as to way some run great with no problems with peformance upgrades mostly turbos and some not.The 03-04 trucks no problems slap a bigger turbo on and go runs great, no surging, good boost, lower egt, the way it's suppose to work. 06-07 trucks also don't have problems. Now 05 well some do and some don't, some surge, others can't build boost, and other just run same if not hotter egts.

Now let me explain about the way a turbo works, if you replace the smaller turbo for a bigger turbo you will have more air, which will lower egts, and give engine more power. It has too the turbo is flowing and cramming more air into the engine. If you are running smokey and high egts then more air will get rid of it (DIESELS).

So here's where I need help from all the members, and it will help out all the members in return. I have been getting in deep with the problems and I insured the guys that have my turbos that I would find out way some run great and other no so. The turbo is not the problem with any of the truck, the problem is the ECM(PMC) and the strategy code used.

The 05 trucks are different than any other year and here is why, in 05 Ford decided to try out things with the strategy and computers to fix some of the problems they were having. Why I don't know, but 05 trucks, some have MAF(Mass Air Flow) sensors, some have speed density, and other nothing at all. 03-04, 06-07 all have MAF sensors, now depending on the year depends on what the ECM is using the MAF for.

So what have seen is that the 05 that are MAF ones no problems while speed density are having the surging problems and the boost issues. The bigger turbo flows more air and the ECM puts in the input it has to go by so the vanes in the turbo are not where they should be,. I can give you and example of this in the Ford mustang 5.0 of late that have experiance in. The 1988 speed density must is a pain to upgrade performance in, just a simple cam change can cause all sorts of running issues. In 1989 Ford started to put MAF in the mustangs and they are a dream to modify, just becuase the ECM is using the MAF for it's calulations.

Now for the help, I need members with 05 trucks to go and look at the ECM computer they have record the number on the side of it DPU-??? , the strategy they have and if they have MAF, nothing or IAT( Intake Air Temperature or speed density). The ECM is located over by the drive side battery, right behide it on the inner fender. It has three plugs on it and you will see numbers on it I just need the ones after the DPU. The MAF will be right after the air filter in the intake tube with a plug hooked to it. The IAT sensor will only have two wires to it and looks like a oxygen sensor on the end of it. If you see nothing then you don't have either.

The Ford techs and help out alot, and if I got some of the info wrong like calling the IAT a speed density system, just trying to keep it simple. Well that's what I have so far, and of cousre the strategy codes correspond with the system the truck has. Thanks ahead for the help.

2004 F250 Ext.cab fabtech 5.5" lift,and traction bars 35" on 18".2005-2007 grill and LED headlights,58v FICM, Warren dual HPOP system, fuel reg. return system, areo 1000a fuel pump, dual fuel filters, ARP studded heads, CCV reroute, EGR delete, 225/75 Warren injectors, water/meth injection (cooling mist),SCT tuner with customs, banks intercooler. MTW stage 4 turbo, built trans by Andy Warren, 4:10 Detroit lockers.

Last edited by madpowerstroke; 01-07-2013 at 08:32 AM.
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post #2 of 65 Old 01-07-2013, 08:46 AM
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Adrian, I'll get you some info this evening.

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post #3 of 65 Old 01-07-2013, 09:01 AM
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what about the odd ball 04.5 trucks?

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post #4 of 65 Old 01-07-2013, 09:45 AM
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I can not seem to find the number after DPU on mine. Where is it located on the ECM? My strategy is VCXF9 and I have MAF. I assume that all of the California truck will have the MAF for smog reasons.

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post #5 of 65 Old 01-07-2013, 11:22 AM
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Adrian, I have an idea that you may want to include in this research on your problem. With the surging trucks, how many are non MAF trucks that have removed the EGR? The MAF trucks will use the MAF signal to figure egr related positioning and VGT vane operation as well.

Well the non MAF trucks don't have the MAF signal to use for that information and use their learn cycle when the key is turned on to set the table data that it uses to control the VGT. If the EGR is removed and not plugged in then that key on learning cycle doesn't take place. (see the egr thread in the general section started by 04cr450) If the learning cycle doesn't happen and the turbo has been changed then the data the ECM is using for its calculations is bogus and it is bound not to run right. And this would be unique to the 05 without the MAF sensor. Something to consider.

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post #6 of 65 Old 01-07-2013, 11:33 AM
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I have a MAF, my strategy is VCXF9 and my ECM code is CZP2 DPU-442 EE0FA 4M181.


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2005 F250, CCSB, 6.0 PSD, FX4 (The Sweet Unit is white)
2008 F350, CCLB, 6.4 PSD (Brad-the wife's truck is black)




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4" MBRP Exhaust
MTW Stage 1 Turbo
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Riff Raff Intercooler Boots
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BDS Dual Steering Stabilizer
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Last edited by Evil Eye; 01-07-2013 at 11:36 AM.
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post #7 of 65 Old 01-07-2013, 12:03 PM
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Quote:
Originally Posted by Evil Eye View Post
I have a MAF, my strategy is VCXF9 and my ECM code is CZP2 DPU-442 EE0FA 4M181.

Is that sticker above the 3 plugs on the ecm?

KCCO
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2005 FX4 Lariat Dark Shadow Gray
AirRaid Filter, 6 inch Pro Comp Lift. 17 inch Mikey Thompsons with 35 inch Nittos, sinister coolant filter, MBRP 4" straight pipe, 6K HID, Zoodad, SCT with tunes from Vivian (Looney and Looney fuel) and Tony, dashboss with EGT and FP, 08' tail lights, blue spring, lowes CCV mod, 03' turbo

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post #8 of 65 Old 01-07-2013, 12:17 PM
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I wanted to help but i dont have that sticker on my ecm. Is there any other way to find out what the code is? I tried hooking up the sct x3 to see if i could pull the code from there but it was a no go.

2005 F250 FX4 6.0 PowerStroke, Dashboss, Swamps 58V FICM, PHP Atlas 40 tune, Tony Wildman Extreme Tune, IPR Coolant filter, ELC Coolant, EGR....nevermind, updated stc, more to come!
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post #9 of 65 Old 01-07-2013, 12:26 PM
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Quote:
Originally Posted by Babyboy70363 View Post
I wanted to help but i dont have that sticker on my ecm. Is there any other way to find out what the code is? I tried hooking up the sct x3 to see if i could pull the code from there but it was a no go.
On early trucks, the sticker is located on the SIDE of the PCM (facing forward towards the headlamp assy). On later trucks, the sticker is located UNDERNEATH the PCM and you'll need to physically remove the PCM to see it. Simple, though. 2 - 10mm bolts, 3 plugs, and PRESTO! Lift straight up and the PCM will come out.

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post #10 of 65 Old 01-07-2013, 12:35 PM
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Quote:
Originally Posted by Power Hungry View Post
On early trucks, the sticker is located on the SIDE of the PCM (facing forward towards the headlamp assy). On later trucks, the sticker is located UNDERNEATH the PCM and you'll need to physically remove the PCM to see it. Simple, though. 2 - 10mm bolts, 3 plugs, and PRESTO! Lift straight up and the PCM will come out.
Thanks, Bill. So have you experienced any problems with your customers and surging while running your tuning and the Stage 1?

Shawn Carlson
EvilEye@powerstroke.org

Proud Navy Vet
2005 F250, CCSB, 6.0 PSD, FX4 (The Sweet Unit is white)
2008 F350, CCLB, 6.4 PSD (Brad-the wife's truck is black)




Engine Mods:
Fluidampr
CCV Reroute (Reinstated)
4" MBRP Exhaust
MTW Stage 1 Turbo
Bulletproof 53V FICM
BulletProof EGR Cooler
BulletProof Water Pump
Riff Raff Intercooler Boots
Gogo Diesel Direct Drive Solenoid
BulletProof All-Aluminum Radiator
BulletProof All-Aluminum Intercooler
BulletProof Oil Cooler System w/ Bypass Filter
SCT w/ Custom Tunes (TSD, DJ's, Innovative, Gearhead, QuickTricks)

Exterior Mods:
Bilstein 5100 Shocks
Icon Adjustable Trac Bar
Firestone RideRite Air Bags
BDS Dual Steering Stabilizer
Aluminum Finned Differential Cover
Reese 16k Manual Slider 5th Wheel Hitch
Icon 2.5" Leveling Kit w/ F-350 rear blocks
20" BMF Novakanes wrapped in 33" Nitto Terra Grapplers
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