New to Powerstrokes. Need help with DTC's - Ford Powerstroke Diesel Forum
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post #1 of 4 Old 05-22-2012, 03:13 PM Thread Starter Rookie
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New to Powerstrokes. Need help with DTC's

This is my first powerstroke and I have a few DTC's that I need help with. I currently have 7 codes. It is a early 99 f-350, 6-speed, and 4x4. It is completely stock. I have posted these questions on 2 other websites with out a single response. Hopefully you guys can help me out.

P0460-Fuel level sensor circuit A malfunction
I am sure my sending unit is bad because my gauge always reads full and that is probably throwing the code.
P0470-Exhaust Back Pressure Sensor Circuit Error
P0475-Exhaust Pressure Control Valve Error
P0478-Exhaust Pressure Control Valve High Input
I have cleaned the tube between the manifold and sensor with no luck.
P1393-Glow Plug Circuit Low Input Bank No. 2
P1395-Glow Plug Monitor Fault Bank No. 1
I have high resistance on one glow on each bank and the wiring harnesses aren't looking the greatest so I ordered OEM glow plugs and will be picking up new harnesses for both sides. Which should fix the 2 glow plug codes.
P1670-EF feedback signal not detected.
This is the code that stumps me the most. Everyone that has had this code either had a truck that wouldn't start or barely ran. My truck runs just fine. It does have a little bit of trouble starting after sitting for a while.
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post #2 of 4 Old 05-31-2012, 05:28 AM Rookie
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looks like I am getting a p0460 code for a bad fuel level sensor. Still have the digital miles left in tank gauge on dash which seems to be working. Is that a redundant system? Guessing the tank has to be dropped to replace the sensor? Truck is an 2006 F-250 powerstroke diesel harley edition. Thanks for your help.
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post #3 of 4 Old 05-31-2012, 02:18 PM
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2015 F-350 CCLB DRW, Lariat Ultimate,
2nd Gen. 6.7L "Scorpion" Turbo Diesel,
440HP/860TQ, Torque Shift 6-speed,
Tuxedo Black W/Charcoal Black Int.,
14,000 LB GVWR,
3:73 Gears W/Limited Slip,
17" Polished Forge Alum. Wheels,
BFG All-Terrain Tires,
Factory 5th Wheel/Gooseneck Prep Pkg.,
Spray In Bed-Liner,
Supplemental Cab Heater,
Camper Pkg.,
Chrome Pkg.,
FX4-Off Road Pkg.,
Upfitter Switches,
Engine Block Heater,
9025 Lbs. on the CAT Scales.

"Mack Daddy Scorpion!"
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post #4 of 4 Old 05-31-2012, 02:21 PM
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Wish I could help you out but I'm a 6.0 guy. Heres a free
Someone will come along and give you some advice.

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