Why does my truck sound like a hair dryer? - Ford Powerstroke Diesel Forum
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post #1 of 20 Old 11-25-2011, 11:01 PM Thread Starter
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Why does my truck sound like a hair dryer?

well i did the cat and muffler delete on my truck today. I watched some videos on youtube with trucks with stock exhaust with the delete like I did and they sound badass like a jet engine whistle at idle. mine doesnt sound like that, it sounds like a ****ty hair dryer. I think I have some sort of turbo issue, when i test drove this truck it would fall on its face and chug and blow black smoke abot 50-60 mph with WOT. The diesel tech couldnt find anything wrong with it and it hasnt done it since i bought it. I have been running it hard thinking the turbo was all gunked up. It feels strong but its like 90% power from what a 6.0 should be, I dont have a boost gauge yet but im thinking the turbo still isnt boosting 100%. It also has a black smoke haze when at WOT, anyone else have this issue?

04 F250 SC SB auto 4x4
5" Diamond Eye TB
High idle switch
Zoodad
EGR delete
Sinister coolant filter kit
Upgraded blue FPR spring
CCV Dump
Warn locking hubs
SCT with Looney

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post #2 of 20 Old 11-26-2011, 09:32 AM
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That's because you have a big hair drier sitting on top of your motor. It's called a turbo. Try cleaning out the EBP sensor tube. Before you ask it's the Exhaust Back Pressure sensor. Not sure on the 04 but on my 05 the tube comes off the #5 exhaust port on the exhaust manifold and runs back about mid way between #6 and #7 then turns up and connects to the EBP sensor. Take the sensor off, rod the tube, spray some carb cleaner through it and make sure it's clear. If the EBP sensor can't get and accurate read your boost won't build right. Just a thought.
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post #3 of 20 Old 11-26-2011, 09:38 AM
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the ones that sound like crazy jets have the 10 blade '03 turbine
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post #4 of 20 Old 11-26-2011, 10:24 AM
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another thing to check would be the how dirty the EGR valve is and check the IAT2 sensor in the intake. If all else fails clean the turbo. Since yours is a 04 your EBP sensor would be the same as my early 05. the EBP is located by the Thermostat housing and the tube running to the front of the exhaust manifold.

2003 F350 6.0L KR CCLB DRW 4x4 auto - bone stock
Edge insight, EAS EGT, turbo timer
Strategys, DAX0-1;TEC0-7
Ford Pilot injection

2005 F250 6.0L XLT CCLB 4x4 auto
Strategys, UPV1;URV0;CYH0-7
PowerMax-KTS 11 blade SP Billet
ARP studs, BPD EGR cooler, 04 uppipe
Banks intercooler system, Airaid Dropin
4" turbo back Magnaflow exhaust w/4" DP
Edge insight, EAS EGT, turbo timer
SCT 3015
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post #5 of 20 Old 11-26-2011, 11:39 AM
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Check everything like said above. The if you have the early '04 with the '03 motor, and had your batteries disconnected for a period of time, you might want to try the VGT relearn.

Here is the procedure, compliments of Bismic.


KAM (keep-alive-memory) reset & VGT learn procedure
1. Drive the truck until the engine and transmission have reached normal operating temperature.
(The VGT learn procedure requires that the oil and coolant temperatures be at normal operating temperature)
2. Flash truck back to stock (Only need to do this if running a tuner or module)
3. Turn on the headlights
4. Disconnect both batteries
5. Short out + to - battery cables to each other (Make sure both batteries are disconnected before doing this).
6. Let truck sit like this for 10-minutes
7. Turn off the headlights.
8. Re-connect batteries
9. Cycle the key to the run position twice. Pause in the “ON” position each time until the wait to start lamp goes out (minimum 5-seconds) and pause in the “OFF” position each time for 10-seconds to be sure the PCM has "gone to sleep".
10. Start the truck and let it idle for a minimum of 5-minutes at normal operating temperature. This allows the PCM to learn the EGR valve closed position value. Also you will likely hear the turbo pitch change several times during this period as the PCM learns the necessary duty cycles for accurate VGT control.
11. Complete the road test Drive Cycle:

15 miles of mixed driving (*should* be enough in most cases) to allow the PCM to "re-learn"
its adaptive strategy. Note: Anytime the batteries are disconnected, the PCM will throw the
P1000 code until the “Drive Cycle” is completed. As for the Tow/Haul mode, the transmission
must re-learn your driving style and loads hauled again as this was cleared when the truck was
re-flashed.

2004 F350 CC DRW King Ranch
X-3 tunes by DJ'S,QT,GH,ID. Gryphon FICM tunes, ARP studs,Stage 1turbo,ATS coolant recirc lines,Swamp's 48v ficm,coolant filter,AD2,Snow Perf stage II,EGR delete,4" turbo back straight pipe,S&Bintake,Quad "A" pillar autometer gauges,Suncoast Tri Disk Conv.,Billet input shaft,Suncoast superduty rebuild kit,Trans-go shift kit,Mag-Hytec trans pan,CFM+ elbow,ccv mod,15K reese 5er,17" LCD TV/DVD,Cobra 29 Nitewatch CB
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post #6 of 20 Old 11-26-2011, 04:10 PM
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That is awesome info. Is there a big book on tricks like that for our trucks?

2005 F350 6.0 CCSB
4" 304 Stainless MBRP Turboback w/ Cat Delete
Edge Insight CTS
Rotella T6 5w-40
Sinister Coolant Filter
325/60R18 Dick Cepek F/C Radial II w/ 2" pucks
Stock EGR Cooler 190000 kms
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post #7 of 20 Old 11-26-2011, 04:15 PM
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Quote:
Originally Posted by tonto View Post
That is awesome info. Is there a big book on tricks like that for our trucks?
Yhea, it's called the Internet! LOL!!

Just messing with you! I find alot of the info from the various forums, and save them to my PC and print out copies to keep in my binder.

2004 F350 CC DRW King Ranch
X-3 tunes by DJ'S,QT,GH,ID. Gryphon FICM tunes, ARP studs,Stage 1turbo,ATS coolant recirc lines,Swamp's 48v ficm,coolant filter,AD2,Snow Perf stage II,EGR delete,4" turbo back straight pipe,S&Bintake,Quad "A" pillar autometer gauges,Suncoast Tri Disk Conv.,Billet input shaft,Suncoast superduty rebuild kit,Trans-go shift kit,Mag-Hytec trans pan,CFM+ elbow,ccv mod,15K reese 5er,17" LCD TV/DVD,Cobra 29 Nitewatch CB
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post #8 of 20 Old 11-26-2011, 04:33 PM
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Yea i have an 06 and it sounds like a hair dryer too. Someone answer this for me if they can, i heard a 03 f250 with 4 inch cat back straight pipe and it sounded great, i didnt hear the hair dryer sound at all. Is it because he has 4 inch instead of stock.
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post #9 of 20 Old 11-26-2011, 05:00 PM
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this sounds stupid but do any of you guys have a pic of where that sensor is located?

04 f-250 crew cab xlt
5 inch turbo back
zoodad mod
foil delete
egr? what egr? O that thing i threw it in the recycling bin. See im still green
full bumper replacement
head studs coming soon
ride rite bags and flip over ball
hankook mt's 285's
SCT X3
custom tuned by innovative
edge insight cs
sinister coolant filter
blue spring mod
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post #10 of 20 Old 11-26-2011, 06:50 PM
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Quote:
Originally Posted by 6.0kansaspowerstroke View Post
this sounds stupid but do any of you guys have a pic of where that sensor is located?
'03-'04 is bracketed to the coolant thermostat housing.

2004 F350 CC DRW King Ranch
X-3 tunes by DJ'S,QT,GH,ID. Gryphon FICM tunes, ARP studs,Stage 1turbo,ATS coolant recirc lines,Swamp's 48v ficm,coolant filter,AD2,Snow Perf stage II,EGR delete,4" turbo back straight pipe,S&Bintake,Quad "A" pillar autometer gauges,Suncoast Tri Disk Conv.,Billet input shaft,Suncoast superduty rebuild kit,Trans-go shift kit,Mag-Hytec trans pan,CFM+ elbow,ccv mod,15K reese 5er,17" LCD TV/DVD,Cobra 29 Nitewatch CB
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