Question about 2003 Ford F250 Super Duty Crew Cab
Check the Ficm with a volt meter. It's the easiest ck and fix. Needs to read around 47 , 48 volts. The ficm has a little cover plate that comes off with a torx and the 4 pis will show. Black lead on battery red lead on pin on drivers side. Don't touch the housing at all with the red lead or you will fry the circuits. Have someone turn the key to on position while you are checking the volts and then when glow plug light goes out start and make sure volts stay at or around 48v. If they go downtothe 30's ,replace with Dorman 904-229. This around $130 and easy to do. Let me know what you find
Posted on Mar 04, 2015
Sorry to say ur high pressure oil pump is going bad!
Posted on May 14, 2010
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Posted on Jan 02, 2017
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