MPG issue - Ford Powerstroke Diesel Forum
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post #1 of 20 Old 05-03-2007, 11:49 AM Thread Starter
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MPG issue

I have an 03 7.3 CC 4x4 with 49k on it and my mileage is at 13.3 per overhead display.

The mods on the truck are 35" tires, a DIY Tymar and Muffler delete. I have the EVBP and WG unplugged with stock tuning for now. I am putting guages in this weekend.

Next week is the DP F-5 and a BTS valve body.

Any thoughts why my mileage is so low? I drive conservately non HWY rds mostly to work at 45mph or so.
I know my display is off a little due to tires .9 on odo equals a mile as close to I can figure.
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post #2 of 20 Old 05-03-2007, 12:00 PM
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When they do your chip make sure they know you have 35 inch tires they may be able to adjust for it and then calculate your mileage The lie o meter isnt right even with stock tires

Email: Dave@powerstroke.org
2011 F150 Ecoboost Crew cab lariat. Custom tunes from KEM and 5Star, and Unleashed
2012 F150 Crew Cab Ecoboost stock for now-Totaled March 12 2015
2006 F250 ECSB Lariat 4x4

Leveling kit, 315/70/17 Kelly TSRs on Method race wheels
ARP studs and OEM gaskets done by Renegade Diesel
ECM and Atlas 40 FICM tuned by Bill at PHP SCT tunes by Truck Source Diesel. Gearhead, Innovative, Wildman and Tyrant diesel
Flowmaster/MBRP Hybrid Exhaust
Edge Insight CTS
Coolant filter
Bulletproof diesel FICM EGR Delete, Oil Cooler and Water Pump, and Light bar.
Dually LED lights from Stealth Automotive/Xpedition Outfitters
No Limit Fab 6.0 Cold Air Intake
http://www.bulletproofdiesel.com/default.asp
http://nolimitfabrication.com/
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post #3 of 20 Old 05-03-2007, 12:09 PM Thread Starter
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Mileage correction is in ABS module according to Jodi, I need a Superlift box or something.

2003 7.3 PSD 4x4 CC LB
35" tires on 20" rims
4"lift
DIY Tymar
Muffler delete
Gauges
EVBP unplugged
DP F-5 chip tuned for BTS valve body
Next mod:
CCV
ATS Housing if needed.
Air Dog
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post #4 of 20 Old 05-03-2007, 12:48 PM
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well if your running the new fuel thats all you can expect to get. ive got a 02 c/c 350 with muffler delete. bully dog programmer set on 75 horse with all amsoil and before the new fuel i was getting 21 on the highway and 17 in town. now i get 12 in town and 15 if im very easy on it on the highway. you can thank the federal gov. for the mess we are all in.
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post #5 of 20 Old 05-03-2007, 12:58 PM
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oh and by the way if anybody can figure out how to fix this new fuel problem ill take any suggestions.
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post #6 of 20 Old 05-03-2007, 01:00 PM
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Are you running a fuel additive I run stanadyne and got most of my mpg back with this new fuel

Email: Dave@powerstroke.org
2011 F150 Ecoboost Crew cab lariat. Custom tunes from KEM and 5Star, and Unleashed
2012 F150 Crew Cab Ecoboost stock for now-Totaled March 12 2015
2006 F250 ECSB Lariat 4x4

Leveling kit, 315/70/17 Kelly TSRs on Method race wheels
ARP studs and OEM gaskets done by Renegade Diesel
ECM and Atlas 40 FICM tuned by Bill at PHP SCT tunes by Truck Source Diesel. Gearhead, Innovative, Wildman and Tyrant diesel
Flowmaster/MBRP Hybrid Exhaust
Edge Insight CTS
Coolant filter
Bulletproof diesel FICM EGR Delete, Oil Cooler and Water Pump, and Light bar.
Dually LED lights from Stealth Automotive/Xpedition Outfitters
No Limit Fab 6.0 Cold Air Intake
http://www.bulletproofdiesel.com/default.asp
http://nolimitfabrication.com/
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post #7 of 20 Old 05-03-2007, 01:18 PM Thread Starter
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I have Stanadyne coming, I just wanted to make sure I didn't screw something up or was missing something. The last diesel I had was an 01 and I could get around 18 to 19 mpg, I just bought this one so the 13.3 was concerning me.

2003 7.3 PSD 4x4 CC LB
35" tires on 20" rims
4"lift
DIY Tymar
Muffler delete
Gauges
EVBP unplugged
DP F-5 chip tuned for BTS valve body
Next mod:
CCV
ATS Housing if needed.
Air Dog
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post #8 of 20 Old 05-03-2007, 01:21 PM
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The new ULSD is annoying alot of people Its gotten a little better here since we are done with the winter blend fuels

Email: Dave@powerstroke.org
2011 F150 Ecoboost Crew cab lariat. Custom tunes from KEM and 5Star, and Unleashed
2012 F150 Crew Cab Ecoboost stock for now-Totaled March 12 2015
2006 F250 ECSB Lariat 4x4

Leveling kit, 315/70/17 Kelly TSRs on Method race wheels
ARP studs and OEM gaskets done by Renegade Diesel
ECM and Atlas 40 FICM tuned by Bill at PHP SCT tunes by Truck Source Diesel. Gearhead, Innovative, Wildman and Tyrant diesel
Flowmaster/MBRP Hybrid Exhaust
Edge Insight CTS
Coolant filter
Bulletproof diesel FICM EGR Delete, Oil Cooler and Water Pump, and Light bar.
Dually LED lights from Stealth Automotive/Xpedition Outfitters
No Limit Fab 6.0 Cold Air Intake
http://www.bulletproofdiesel.com/default.asp
http://nolimitfabrication.com/
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post #9 of 20 Old 05-04-2007, 04:04 AM
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I have a 99 cc 4x4 that since new never got better then 14. I added a Banks big hoss and got 3 mpg better. No matter how I drive it 16 is it.
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post #10 of 20 Old 05-04-2007, 04:12 AM
Let's go B's!!!!

 
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Xcracer,
you said that was according to the overhead console, right?
What are your calculations? I would figure it out on my own, and not trust that thing.

Mine was telling me between 15.1-15.4, when I was actually getting 17.5!
I've never got more than 570-600 miles in this truck before fueling up, yet when I do fill it up, the computer, in all it's infinite wisdom tells me that I have 780 miles to empty. I WISH!

Mine might be screwed up, and yours might be fine, but it's worth a check.

good luck
chris
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