Question about 2003 Ford F250 Super Duty Crew Cab

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I HAVE AN 03 F-250, 6 LITER DIESEL. IT DOES NOT START, EVEN WHEN IT IS 80 DEGREES OUTSIDE. PLUG THE BLOCK HEATER IN FOR 10 MIN. AND IT STARTS, BUT RUNS ROUGH WITH BLACK SMOKE UNTIL ENGINE WARMS UP. ANY POSSIBLE SOLUTIONS?

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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

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Sorry to say ur high pressure oil pump is going bad!

Posted on May 14, 2010

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Astro start hst5224 model


Yessir.
In the old days, because of the ambient temperature's effect on the crankcase oil and the diesel fuel, often two batteries were used to state the diesel in cold weather.
You might see if there is room for an additional battery on the opposite side of the vehicle from the one that is installed now.
The additional battery can be wired parallel with the one already there, which will not increase the voltage, only the starting amps.
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