RE: Cold Start - Ford Powerstroke Diesel Forum
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Old 12-24-2008, 03:13 AM Rookie

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RE: Cold Start

For some reason I could not post a reply to the previous post. Take it to the dealer and they can tell you the condition of each battery. I did this and found out that one battery was good and the other was only about 25%. What a differance it made with two good batteries!!!!!! Buy a good battery, at least 850 CCA recomended by Ford. The computer checks for battery voltage before it will let it start. Just replaced mine from the dealership, on sale for $79 each. They screwed up on their sale flier, normal price $109.

One thing that I also learned is that the glow plugs continue heating after the indcator light goes out. Try this, turn key on and wait 30 sec to 1 min before cranking engine over. If I would just wait until the indicator light went out and start, the engine would lope for a little while before smoothing out. By waiting a little longer, the glow plugs heat everything up more resulting in a smoother start. But if you have a bad battery, you may not have enough juice to do this.
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Old 12-24-2008, 03:33 PM
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There is also a good article in the maintenance section on how to properly trouble shoot the GP system

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