Over Boosting 6.0 - Diesel Forum - TheDieselStop.com
6.0L Power Stroke Engine and Drivetrain Discussion of the 6.0L Power Stroke diesel engine and drivetrain in the 2003-Up Super Duties and Excursions. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 6.0L Power Stroke engine.

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post #1 of 24 (permalink) Old 09-07-2019, 08:41 AM Thread Starter
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Over Boosting 6.0

I have a 2003 1 ton dwd with 6.0. I am having an issue with over boosting and is to be causing High EGT. At 70 mph the boost is at 20 lbs of boost and EGt is 1100 degrees. Cruising at 2000 RPM is has 900 degrees plus and over 10 pounds of boost. I have pulled turbo and clean and the vanes function correctly. I replaced the VGT solenoid and it help a little. I have replace MAP sensor and made vac line was clean. I am stumped at this time and looking for advise.
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post #2 of 24 (permalink) Old 09-07-2019, 03:22 PM
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Maybe a dumb question but are you on a flat surface going 70 mph? It obviously would boost to 20 psi if the truck were on cruise control and trying to maintain 70 mph going up a grade.

If doing 70 and on flat surface (low rpm's), then 20 psi is way too high.
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post #3 of 24 (permalink) Old 09-08-2019, 06:03 AM
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Is the truck stock?


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post #4 of 24 (permalink) Old 09-08-2019, 04:36 PM Thread Starter
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I live on the Mississippi Gulf Coast. There are no grades here. Before this started I would cruise at 8lbs of boost and EGT would be around 700. There are no tunes except 40 HP FICM tune that I have been running for 5 years with no problem. The motor is fully Bullet Proofed and there are no head gasket or injection issues.
post #5 of 24 (permalink) Old 09-08-2019, 05:16 PM Thread Starter
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Just got finished looking at it. I can build 5lbs of boost in neutral. I don't believe I should be able to do this.
post #6 of 24 (permalink) Old 09-08-2019, 05:37 PM
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Quote:
Originally Posted by [email protected] View Post
I live on the Mississippi Gulf Coast. There are no grades here. Before this started I would cruise at 8lbs of boost and EGT would be around 700. There are no tunes except 40 HP FICM tune that I have been running for 5 years with no problem. The motor is fully Bullet Proofed and there are no head gasket or injection issues.
Since there is no official definition for "bulletproofed". Could you be more specific? Do you mean that your EGR is deleted? If so, what kind of delete do you have? I assume it has head studs. How about the exhaust? Stock? Still have the Cat?

Mark
06 F250 CC SB FX4 Lariat;ARP studs;OEM gaskets;Banks exhaust;DynaTrac Ball joints;Coolant filter;High-Idle mod;RACCCV6000;JimmiJammers;Ravelco;SynchroMax xfer case;Fumoto valve;Harpooned;CPOhighwayProducts toolbox;tracrac;Fox Weatherboots;Wet Okole Seat Covers;BriteBox;Re-flashed;Quadzilla Recon XZT Fuel Press;Blue FPR spring;DashDAQ;PHP FICM;RiffRaff boots;DCPower270A XP;PowerInverter;Rancho7000's;BPD EGR cooler;One-piece HPOP fitting;D-plugs&standpipes;BPD Billet WaterPump;SCT w/ Matts SRL+;ELC Ultra;DuraTracs
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post #7 of 24 (permalink) Old 09-08-2019, 06:23 PM Thread Starter
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EGR delete, Bpd remote oil cooler, and arp studs. this is an 03 and I have the Dieselsite high volume high pressure pump, BPD replacement fan. Plus many additional mods for reliability.

I am not not getting any readings on Scangauge for BARO. Does anyone know there the sensor is located in a 2003.

Thanks for any help
post #8 of 24 (permalink) Old 09-08-2019, 06:34 PM
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The Baro is under the dash on the drivers side.

Mark
06 F250 CC SB FX4 Lariat;ARP studs;OEM gaskets;Banks exhaust;DynaTrac Ball joints;Coolant filter;High-Idle mod;RACCCV6000;JimmiJammers;Ravelco;SynchroMax xfer case;Fumoto valve;Harpooned;CPOhighwayProducts toolbox;tracrac;Fox Weatherboots;Wet Okole Seat Covers;BriteBox;Re-flashed;Quadzilla Recon XZT Fuel Press;Blue FPR spring;DashDAQ;PHP FICM;RiffRaff boots;DCPower270A XP;PowerInverter;Rancho7000's;BPD EGR cooler;One-piece HPOP fitting;D-plugs&standpipes;BPD Billet WaterPump;SCT w/ Matts SRL+;ELC Ultra;DuraTracs
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post #9 of 24 (permalink) Old 09-08-2019, 06:35 PM
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On your scangauge ----
Barometric Pressure (PSI)
TXD: 07E0221442
RXF: 046285140642
RXD: 3010
MTH: 001D0050000
NAM: BAR

Mark
06 F250 CC SB FX4 Lariat;ARP studs;OEM gaskets;Banks exhaust;DynaTrac Ball joints;Coolant filter;High-Idle mod;RACCCV6000;JimmiJammers;Ravelco;SynchroMax xfer case;Fumoto valve;Harpooned;CPOhighwayProducts toolbox;tracrac;Fox Weatherboots;Wet Okole Seat Covers;BriteBox;Re-flashed;Quadzilla Recon XZT Fuel Press;Blue FPR spring;DashDAQ;PHP FICM;RiffRaff boots;DCPower270A XP;PowerInverter;Rancho7000's;BPD EGR cooler;One-piece HPOP fitting;D-plugs&standpipes;BPD Billet WaterPump;SCT w/ Matts SRL+;ELC Ultra;DuraTracs
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post #10 of 24 (permalink) Old 09-08-2019, 07:31 PM Thread Starter
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Thanks . Map is 14.9 and BAR is 14.7
post #11 of 24 (permalink) Old 09-08-2019, 07:46 PM
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Do you still have a catalytic converter?

Mark
06 F250 CC SB FX4 Lariat;ARP studs;OEM gaskets;Banks exhaust;DynaTrac Ball joints;Coolant filter;High-Idle mod;RACCCV6000;JimmiJammers;Ravelco;SynchroMax xfer case;Fumoto valve;Harpooned;CPOhighwayProducts toolbox;tracrac;Fox Weatherboots;Wet Okole Seat Covers;BriteBox;Re-flashed;Quadzilla Recon XZT Fuel Press;Blue FPR spring;DashDAQ;PHP FICM;RiffRaff boots;DCPower270A XP;PowerInverter;Rancho7000's;BPD EGR cooler;One-piece HPOP fitting;D-plugs&standpipes;BPD Billet WaterPump;SCT w/ Matts SRL+;ELC Ultra;DuraTracs
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post #12 of 24 (permalink) Old 09-08-2019, 08:14 PM Thread Starter
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No, but I have been thinking about the same thing. Is this possible if there is a restriction in the exhaust. I have 4" back to muffler and out.
post #13 of 24 (permalink) Old 09-08-2019, 09:28 PM
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I can't imagine one w/ the CAT removed.

Mark
06 F250 CC SB FX4 Lariat;ARP studs;OEM gaskets;Banks exhaust;DynaTrac Ball joints;Coolant filter;High-Idle mod;RACCCV6000;JimmiJammers;Ravelco;SynchroMax xfer case;Fumoto valve;Harpooned;CPOhighwayProducts toolbox;tracrac;Fox Weatherboots;Wet Okole Seat Covers;BriteBox;Re-flashed;Quadzilla Recon XZT Fuel Press;Blue FPR spring;DashDAQ;PHP FICM;RiffRaff boots;DCPower270A XP;PowerInverter;Rancho7000's;BPD EGR cooler;One-piece HPOP fitting;D-plugs&standpipes;BPD Billet WaterPump;SCT w/ Matts SRL+;ELC Ultra;DuraTracs
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post #14 of 24 (permalink) Old 09-08-2019, 09:38 PM
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Have you cleaned your EBP Sensor lately and the tube? I cleaned mine 4 years and I checked it last week and it was pretty gummed up with carbon.
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post #15 of 24 (permalink) Old 09-08-2019, 09:43 PM
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If his 03 has the inferred EBP flash (and I would bet almost all of the 03's have it by now), then it doesn't use the EBP. It is also called Field Service Action 06E17 and it came out in 2006 for the 03 and early 04 (w/ 03 engine) trucks.

That said, it is something free to try and has bitten a lot of people.

http://www.flatratetech.com/downloads/diesel_8.pdf

With the flash, Exhaust Backpressure is now “Inferred” through MAF, MAP, BARO, and EOT.

Mark
06 F250 CC SB FX4 Lariat;ARP studs;OEM gaskets;Banks exhaust;DynaTrac Ball joints;Coolant filter;High-Idle mod;RACCCV6000;JimmiJammers;Ravelco;SynchroMax xfer case;Fumoto valve;Harpooned;CPOhighwayProducts toolbox;tracrac;Fox Weatherboots;Wet Okole Seat Covers;BriteBox;Re-flashed;Quadzilla Recon XZT Fuel Press;Blue FPR spring;DashDAQ;PHP FICM;RiffRaff boots;DCPower270A XP;PowerInverter;Rancho7000's;BPD EGR cooler;One-piece HPOP fitting;D-plugs&standpipes;BPD Billet WaterPump;SCT w/ Matts SRL+;ELC Ultra;DuraTracs

Last edited by bismic; 09-08-2019 at 09:47 PM.
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