will not start below 40 unless plugged in
My 03 cummins will not start on a cold morning unless it has been plugged in. When we had our first cold snap, it did this. I replaced both batteries. I didn't have any trouble after, but it didn't get cold. It got cold again and it would not start. Later in the day, it was warmer, and it fired right up. I thought it may have just been caused by sitting for over a week. Next morning at 25, same problem. Later it fires right up. we have been plugging in since without problem. When it wouldn't start it threw a P0148. This code hasn't come up again since. It is however giving me a P0480 and a P0521. I thought maybe my grid heaters weren't working, but when I crank it, the lights cycle dim/bright like they are working. I don't know if the fuel heater would even come into play at these temps. I replaced transfer pump and fuel filter about 10-12k ago. Most of my research points to injectors, but once running, it runs great, not smoke or rough running. Thanks in advance for any help.
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Originally Posted by michaelm
(Post 841642)
My 03 cummins will not start on a cold morning unless it has been plugged in. When we had our first cold snap, it did this. I replaced both batteries. I didn't have any trouble after, but it didn't get cold. It got cold again and it would not start. Later in the day, it was warmer, and it fired right up. I thought it may have just been caused by sitting for over a week. Next morning at 25, same problem. Later it fires right up. we have been plugging in since without problem. When it wouldn't start it threw a P0148. This code hasn't come up again since. It is however giving me a P0480 and a P0521. I thought maybe my grid heaters weren't working, but when I crank it, the lights cycle dim/bright like they are working. I don't know if the fuel heater would even come into play at these temps. I replaced transfer pump and fuel filter about 10-12k ago. Most of my research points to injectors, but once running, it runs great, not smoke or rough running. Thanks in advance for any help.
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I did some more searching and found the P0480 to be a fan clutch problem? I checked my fuse box and I don't see a fan clutch fuse! I did get it to start. I hooked my battery charger to it and after about 2 hours it fired right up! What? My batteries are bad? and the fan clutch is turning! |
Basically says to check the fuses, the wiring on the fan clutch that can get ripped out and one guy chimed in that he had to replace his fan clutch to get them to go away.
Bad batteries can cause a lot a problems, if voltage is dropping below 9.6 volts when cranking then the computer gets shut off. |
Anybody have a pic of the fuse box cover for an 03? I have this same problem with the 0480 and 0483 but I don't have the cover and the dealer says they can't order just the cover or print me out a diagram of it. Any help or links are appreciated. I have gone through and checked all the fuses and they all checked out except for like 3 that didn't have power at all
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Originally Posted by bubbacummins
(Post 875183)
Anybody have a pic of the fuse box cover for an 03? I have this same problem with the 0480 and 0483 but I don't have the cover and the dealer says they can't order just the cover or print me out a diagram of it. Any help or links are appreciated. I have gone through and checked all the fuses and they all checked out except for like 3 that didn't have power at all
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Hoofdoctor,
I'd really appreciate the photo, been away from the com for awhile so didn't get your message till now. No big hurry on it just whenever you get a chance. Thanks, Russell |
Originally Posted by bubbacummins
(Post 877180)
Hoofdoctor,
I'd really appreciate the photo, been away from the com for awhile so didn't get your message till now. No big hurry on it just whenever you get a chance. Thanks, Russell |
Ok well gotta have 10 posts so here's number 5
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