Start issue
Post Fiend
Joined: Mar 2007
Posts: 26,966
Likes: 50
From: Texas
Weak batteries can cause a no start, but plugging the truck in won't help with the no start unless you're plugging it into a battery charger.
I recently swapped both batteries with a 6.0 truck at work because they were stranded at a jobsite. Left my truck running during the swap to be on the safe side.
My truck started, slowly but it still started, for 2 more days before we had the batteries tested and both of them came back failed.
The 6.0 wouldn't start with those batteries. My old 7.3 with 509,000 miles on the odometer would (but slowly)
I tell you that to say, if new batteries were to fix your issue, that means you still have other problems. Batteries should be a start or no start, not temperature dependent.
I recently swapped both batteries with a 6.0 truck at work because they were stranded at a jobsite. Left my truck running during the swap to be on the safe side.
My truck started, slowly but it still started, for 2 more days before we had the batteries tested and both of them came back failed.
The 6.0 wouldn't start with those batteries. My old 7.3 with 509,000 miles on the odometer would (but slowly)
I tell you that to say, if new batteries were to fix your issue, that means you still have other problems. Batteries should be a start or no start, not temperature dependent.
Thread Starter
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Junior User
Joined: May 2015
Posts: 66
Likes: 0
Good point just wasn't sure if maybe the glow plugs are not heating all the way? All of the injectors on the air box side spit the same amount of oil until it stopped cranking which was just enough to go through the firing order.
Thread Starter
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Junior User
Joined: May 2015
Posts: 66
Likes: 0
So it's 60 degrees out today and it started right up. I m very lost. What else can I check before putting valve cover back on it wants to keep starting for some reason with the valve cover off. The injectors are all spitting the same amount of oil. What do I check now?
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Post Fiend
Joined: Mar 2007
Posts: 26,966
Likes: 50
From: Texas
If those wires short to ground (against a valve cover, bracket, or any other metal object) they can cause a no start or stall situation. Tape up all the chaffed wires and look for more before you try again. Be sure to check the wires coming out the bottom of the 42 pin connector that rest on the valve cover, as well as the wires coming out of the back of the connector and go over the valve cover.
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Junior User
Joined: May 2015
Posts: 66
Likes: 0
The wire that rubbed through was on the valve cover. Does anyone know what it's for? To cause that many issues. I will try to start it tomarrow morning to see if it still cold starts. I'm not sure what the other bare wire is for but I wrapped up everything tight with rubber tape.
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Junior User
Joined: May 2015
Posts: 66
Likes: 0
36 degrees this morning and I knew it was going to happen. Did not start sounded like it tried but nope. Also I happens to notice yesterday a small amount of a mainly white with tint of blue smoke ( it's a little wet by the epbv).
The truck has no power until it warms up no power so bad it barely moves. Was warmed up for 15-20 mins.
Also has a miss or hesitation when parked at 2400 rpm it does not want to go over that. Fights it then does but hard to get it to go past 2400.
The truck has no power until it warms up no power so bad it barely moves. Was warmed up for 15-20 mins.
Also has a miss or hesitation when parked at 2400 rpm it does not want to go over that. Fights it then does but hard to get it to go past 2400.
