20 Most Recent 2003 Ford F250 Super Duty Crew Cab Questions & Answers

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'03 F250 starts and dies instantly

One thing could be low oil in the HPOP high pressure oil pump. Small Allen plug on top is where to add oil
5/21/2023 1:16:27 AM • 2003 Ford F250... • Answered on May 21, 2023
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Were is that wiper relay i have changed every thing else

Built in the wiper motor.. See the other post.
3/3/2019 9:53:30 AM • 2003 Ford F250... • Answered on Mar 03, 2019
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Where is fuel relay 2003 f250 super duty crew cab?

check owners manual ,nut it might be in the power distribution box under the hood ,or behind the right kick panel under dash
3/3/2019 9:53:18 AM • 2003 Ford F250... • Answered on Mar 03, 2019
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F250 Diesel engine won't start in cold weather

check your glow plug relay! located on the right side head
1/7/2019 7:03:45 PM • 2003 Ford F250... • Answered on Jan 07, 2019
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I just bought a 2003 superduty crew with a 6.0 diesel it will not go into 4 wheel drive. i have replaced the vacuume pump and the solinoid (they were bad) I have no power to the switch in the dash. i

What large square fuse ? The 4X4 switch get's it's B+ voltage from the four - wheel drive control module . computer controlled ! Has two relay's - transfercase hi to low & low to high ,located in the Auxiliary relay box #3 . location left side of radiator core support . Your best bet ,take it to a qualified repair shop that has a diagnostic tool that can communicate with the 4X4 control module . Read code's ! Probably has a code like one of these P1812 Transmission 4-Wheel Drive Mode Select Circuit Failure 4WD control module Go To Pinpoint Test D . P1815 Transmission 4-Wheel Drive Mode Select Short Circuit to Ground 4WD control module Go To Pinpoint Test A . But code have a few others as well . B2105 Throttle Position Input Out of Range Low 4WD control module Go To Pinpoint Test B . B2106 Throttle Position Input Out of Range High 4WD control module Go To Pinpoint Test B . C1728 Transfer Case Unable to Transition Between 2H and 4H. 4WD control module Go To Pinpoint Test C . C1729 Transfer Case Unable to Transition Between 4WD HIGH and 4WD LOW 4WD control module Go To Pinpoint Test D . C1979 IWE Solenoid Circuit Failure 4WD control module Go To Pinpoint Test F . C1980 IWE Solenoid Short to Battery 4WD control module Go To Pinpoint Test F . P1812 Transmission 4-Wheel Drive Mode Select Circuit Failure 4WD control module Go To Pinpoint Test D . P1815 Transmission 4-Wheel Drive Mode Select Short Circuit to Ground 4WD control module Go To Pinpoint Test A . P1824 Transmission 4-Wheel Drive Clutch Relay Circuit Failure 4WD control module Go To Pinpoint Test A . P1826 Transmission 4-Wheel Drive Low Clutch Relay Short Circuit to Battery 4WD control module Go To Pinpoint Test A . P1827 Transmission 4-Wheel Drive Low Clutch Relay Short Circuit to Ground 4WD control module Go To Pinpoint Test A . P1849 Transmission Transfer Case Contact Plate A Short Circuit to Ground 4WD control module Go To Pinpoint Test D . P1853 Transmission Transfer Case Contact Plate B Short Circuit to Ground 4WD control module Go To Pinpoint Test D . P1857 Transmission Transfer Case Contact Plate C Short Circuit to Ground 4WD control module Go To Pinpoint Test D . P1861 Transmission Transfer Case Contact Plate D Short Circuit to Ground 4WD control module Go To Pinpoint Test D . P1867 Transmission Transfer Case Contact Plate General Circuit Failure 4WD control module Go To Pinpoint Test D . P1891 Transmission Transfer Case Contact Plate Ground Return Open Circuit 4WD control module Go To Pinpoint Test D .
11/27/2017 12:51:58 PM • 2003 Ford F250... • Answered on Nov 27, 2017
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2003 F250 Super Duty diesel 6.0 needs multiple tries to start.

Are you getting white smoke or no smoke from the exhaust after failed start attempts? When the FICM was replaced, did Ford check the glow plugs and injectors for proper operation? Are you using an engine oil heating element or is the engine dead cold when this happens? How long does the engine run the first and second start attempts before it stalls and dies?
11/1/2017 10:04:06 AM • 2003 Ford F250... • Answered on Nov 01, 2017
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Manual 4x4 is stuck

check the vacuum switch and lines...
9/5/2017 5:25:41 PM • 2003 Ford F250... • Answered on Sep 05, 2017
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Stalling issue?

This sounds like the idle control valve or stepper motor as it's sometimes called needing a good clean out or replacement. When faulty this would cause all the symptoms you are describing.
8/10/2017 10:44:01 PM • 2003 Ford F250... • Answered on Aug 10, 2017
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When I hook up my horse trailer to my 2003 Ford

fix the plug,car or trailer, and check the wiring and bulb sockets in the trailer bigger fuses are equal to burnt wiring harness or fires in either vehicle
5/27/2017 10:50:50 AM • 2003 Ford F250... • Answered on May 27, 2017
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I have a 2002 f250 brake lights dont work cab

replace your stop light switch its on the brake pedal
5/17/2017 11:59:59 PM • 2003 Ford F250... • Answered on May 17, 2017
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Do the glow plugs get week or just fail

There is a glow plug timer that can fail.
7/14/2016 6:19:16 PM • 2003 Ford F250... • Answered on Jul 14, 2016
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I changed the entire dome light fixture due to weak tabs that hold the center light.. now the dome lights work,the map lights do not work.there a fuse or something that controls the map lights? ?

Absolutely! There's a fuse that controls every light on your truck. Some share the same circuit, some don't. Consult your manual. If you don't have one, get one - you will need it repeatedly.
6/4/2016 11:50:25 PM • 2003 Ford F250... • Answered on Jun 04, 2016
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Diagnose transmission and solenoid problems

Hi Amy, The link below is a short youtube video on how to fix your transmission... I hope this helps.......CHEERS.. Fixing Transmission That Slips And Clunks
4/4/2016 4:04:59 AM • 2003 Ford F250... • Answered on Apr 04, 2016
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How do i jump the solenoid to start my truck?

Apply power to the small "S" terminal.
3/20/2016 4:33:47 PM • 2003 Ford F250... • Answered on Mar 20, 2016
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Dome lights & door light stay on , door lock on drivers side wont stay locked

The switches that control the lights for open doors are made right into the door latches and they have a history of sticking and causing problems like that. Here is a technique that often works well and eliminates the problem at no cost. Get a can of spray lube like WD40 or something like it and has a straw on the nozzle. Spray it generously up into the latch mechanism. Now open and close the door numerous times to work it in. Repeat this process several times. Since you don't really know which door is causing the problem, you should do all of them. It's usually caused by the most frequently used door but it's not guaranteed to be that one.
3/20/2016 4:08:59 PM • 2003 Ford F250... • Answered on Mar 20, 2016
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Flasher blinks while truck is running or the key is on. Turn signals on or not.

That sounds like a security system is activated. Somebody has probably disabled the siren.
3/20/2016 3:37:58 PM • 2003 Ford F250... • Answered on Mar 20, 2016
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