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How's it Starting?

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Old Nov 23, 2018 | 07:40 AM
  #1  
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How's it Starting?

Winter is here early and we were at 16* this AM so I took advantage of the opportunity to give it a test start. I have kept an eye on my glow plugs and have replaced the starter and batteries within the last year and they are about as good as they could get.

Here's my numbers:
V at the USB adapter sitting: 12.1
V at key on: 10.1 bounced up to 10.9 fairly quickly
Glow plugs off at exactly 120 seconds.
V at glow plugs off: 11.5
Time to start: 2 seconds.

Light blue smoke at first start that went away pretty quickly. EBPV is gone, truck went to high idle after a minute or two (I didn't hang around out there to time that part).
 
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Old Nov 23, 2018 | 07:47 AM
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12.1v is low, I would isolate each battery and load test them with the Glow Plugs to measure voltage drop.
 
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Old Nov 23, 2018 | 08:27 AM
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I see the same thing using the USB 12.1-12.3 in dash but I see 12.6-12.7 at the batteries. I’m guessing there’s a few things that draw current with the truck off.

Mark, I see about the same things you’re seeing and a very quick start.
 
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Old Nov 23, 2018 | 08:35 AM
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I know that there is voltage drop between the batteries and that USB port so I haven't spent any time on it. The batteries are new this summer and the alternator is putting out about 14.5 so I am confident that things are good there. It would be interesting to see what the batteries are reading at the posts though, it would help me monitor their lives.
 
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Old Nov 23, 2018 | 12:06 PM
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Getting cold there already Mark? We've had a couple of light frosty mornings in the UK & it feels like winter the last couple of days as up until then we've had the warmest October & November on record! Truck will still start after a couple of seconds even without waiting for the WTS lamp to extinguish. I did replace the GPR last winter when we got to -6°c though!
 
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Old Nov 23, 2018 | 12:41 PM
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Started at -5 last Saturday....no plug in (brain chit on that one). He wasn't happy, but he fired in 2-3 seconds with one cycle. I was testing it. It's always plugged in at anything below 30* just because I like to be easy on the injectors. I replaced the entire GP system this time last year, so there is no reason it shouldn't be good.
 
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Old Nov 23, 2018 | 01:50 PM
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Are you guys waiting until the GP's stop lighting until you start the truck or are you starting it when you feel the GP's have had enough time to warm the cylinders? I am going to do the GPR LED mod soon and wanted to see what everyone else is doing regarding the starting procedures.

My truck started great the other day, but it was 40 degrees out and the GP's and UVCH's are 2 weeks old...
 
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Old Nov 23, 2018 | 02:20 PM
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Sous,

I hold for a half a minute after the WTS light goes out. Anything under 20 degrees. New GPR 2 years ago as well as GP's. No issues running 5-40 synth.

Denny
 
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Old Nov 23, 2018 | 02:25 PM
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Originally Posted by Shovelheadrob
Getting cold there already Mark? We've had a couple of light frosty mornings in the UK & it feels like winter the last couple of days as up until then we've had the warmest October & November on record! Truck will still start after a couple of seconds even without waiting for the WTS lamp to extinguish. I did replace the GPR last winter when we got to -6°c though!
We had temps in the '80's F here in early October, then it cooled off, this event here is rare for us and the statisticians have determined it to be our coldest Thanksgiving (big holiday here in US) in over 100 years.
Originally Posted by Sous
Are you guys waiting until the GP's stop lighting until you start the truck or are you starting it when you feel the GP's have had enough time to warm the cylinders? I am going to do the GPR LED mod soon and wanted to see what everyone else is doing regarding the starting procedures.

My truck started great the other day, but it was 40 degrees out and the GP's and UVCH's are 2 weeks old...
In warmer months I'll give it a few seconds past the time the WTS light goes out and extend the time as it gets colder. Once it hits freezing or so I give it the whole 120 seconds and if it's closer to 0 I'll do two cycles of glow plugs. If it's real cold and I only do one cycle it can romp a little at first.
 
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Old Nov 23, 2018 | 02:48 PM
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My normal starting is the key in the on position for about 2 seconds for the fuel pressure to hit the gauge and then start and it does so straight away. The GP's stay on anyway so I don't see the need to wait when the temps are warmer. This morning the truck sat outside which it normally is not and my normal procedure didn't start it. So, I did leave the GP's on for a few more seconds (WTS light still on) and it started just fine with a puff of smoke. Let her warm up for about 15 minutes while helping my son figure out all the light bulbs his car needed and then we took off to the store at about 35psi in half throttle :-)
 
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Old Nov 23, 2018 | 04:13 PM
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Originally Posted by Sous
Are you guys waiting until the GP's stop lighting until you start the truck or are you starting it when you feel the GP's have had enough time to warm the cylinders? I am going to do the GPR LED mod soon and wanted to see what everyone else is doing regarding the starting procedures.

My truck started great the other day, but it was 40 degrees out and the GP's and UVCH's are 2 weeks old...
I start while the plugs are still lit. In colder weather I wait longer but never long enough for the plugs to time out (I have an led mod). Id say 30 seconds or less depending on how cold it is.
 
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Old Nov 23, 2018 | 05:48 PM
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I like to wait for Glow Plugs to time out, so starter is not competing for voltage.
 
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Old Nov 23, 2018 | 05:57 PM
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Originally Posted by Sous
Are you guys waiting until the GP's stop lighting until you start the truck or are you starting it when you feel the GP's have had enough time to warm the cylinders? I am going to do the GPR LED mod soon and wanted to see what everyone else is doing regarding the starting procedures.

My truck started great the other day, but it was 40 degrees out and the GP's and UVCH's are 2 weeks old...
‘Sous, I had a remote start installed last year, the pre-start timer was set for 25 seconds before it will start the vehicle. If I’m out and about I will use the remote start and let that start the truck. If I’m home and it’s going to be below 30° I plug the truck in on the timer (4 hours) and I use the remote start to start the truck. If it’s in the single digits and I need to start the truck and did not plug it I’ll use the key to start the truck after the glow plugs run one full cycle.
 
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Old Nov 24, 2018 | 03:19 PM
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I installed new batteries (winter) and glow plugs (spring) this year (2018). I hope to continue easy starts well past 2019.
 
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Old Nov 24, 2018 | 07:22 PM
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Temps drop to 15-20 degrees at night here and all I do is watch the WTS light and when it goes out I turn the key. Starts right up.
I admit that I do like to plug it in a night so it doesn't take very long to get heat in the morning. Trouble is I forget!
 
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