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1999 Ford F-250 Super Duty Question: Diesel is having trouble starting in 40 degree weather when plugged in.

 

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Visitor, 7.3L V8 Diesel Turbo, Liberty Lake, WA, January 07, 2011, 12:35

Occurs when it's been shut off for more than five hours during the day while at work. Batteries and alternator are fine.

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  • Answer #1

    hemicuda January 07, 2011, 14:27
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     Master

    This info is from Repairpals Common problem reports for your vehicle
    RepairPal Verified "Use correct oil to prevent engine performance problems"

    Using the correct oil for this engine is critical. Improper engine oil can foam in the high pressure system and not develop enough pressure
    for operation. Symptoms of this can be hard starting, long cranking
    time before start, rough engine idle, and a lack of power. Another sign
    is tiny bubbles in the oil on the engine oil dipstick after the engine
    is shut off. The additives in the correct oil that protect against
    foaming can still break down, so changing the oil at the correct
    intervals is important.

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  • Answer #2

    Visitor, April 05, 2011, 10:53

    try replacing the glow plugs see if that will help. if you dont want to do all of them, remove them one at a time and check their resistance.

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