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Problems starting in cold weather

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Old 11-03-2006, 07:50 PM
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Problems starting in cold weather

I'm having a problem starting my truck when it drops below -10C, both batteries are fine it starts fine when plugged in, but a few nights have been below -16C and I was not able to plug in and it wouldn't start, it would crank over but not start, and even after sitting at work for 14hrs in -8C it had a little trouble but did start after a while, I'm running power service and 2 stroke oil, any ideas?
Old 11-03-2006, 08:07 PM
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Did you cycle your grid heaters a couple of times?
Old 11-03-2006, 08:20 PM
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Yeah, I tried that a few times and at -15C it didn't do anything. I had to go and plug it in for a few hours and than it started. I remember last winter it would start at -30C it didn't like it and would idle rough but it would start in much colder conditions.
Old 11-04-2006, 08:43 AM
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You might have a grid herater or relay problem.

Do you notice a voltage drop during the heating period?
Old 11-04-2006, 10:22 AM
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try looking for codes,

I know there is a code related to the heater relays, P0380 for #1 and P0382 for #2.

Good luck, oh...and you can keep that -15c stuff at your place
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