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Old 01-31-2011, 04:07 PM
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Cold starting

I was hoping someone could tell me what my truck is doing. 97 psd. In mornings or at work when I don't plug in my truck and temps get down around low 30s high 20s when I try to start the first time it makes a hiss sound and also sounds like the starter just spins. It doesn't start but the second time I try it it starts (ruff) but it starts. Its like the motor is locked up for just a second and then if I try it again it starts and breaks free. This is the first year its ever done this. Before if it was a cold start is was like it just missed and would turn over, but now that hiss sound is just wierd! Or a grinding sound maybe. Anyway, if anyone has any ideas please share. And yes if I plug in it starts. Only when at work I don't have anywhere to plug in.

Thanks Chris
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Old 02-01-2011, 05:19 AM
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Have you ever replaced the glowplugs or anything?
If the glow plugs didn't cycle completely, it may be part of it, mine had made that noise, if it was cold i would cycle them 2 or 3 times before trying to start it, just to give a chance to warm up, but had to be above 35 degrees otherwise my truck wouldn't start for at least 20 minutes and i had to hook up jumpers to do that and almost burned out my starter. not good.
About a month ago i finally broke down and put new glowplugs, gaskets, a relay and power harnesses in. Now my truck is real happy!
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Old 02-01-2011, 05:36 AM
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I just bought my first psd and I have a question about cold starts. I was under the impression you could/should leave them plugged in when the temps are 30 or below to help with starting. A guy at work says the manual does not recommend this and he only plugs his in an hour before starting. Whats the best practice?
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Old 02-01-2011, 05:39 AM
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It's colder than sh*t up here and I keep mine plugged in all night. Fires up beautifully every time. Been doing this a couple years now with no ill effect other than the danged hydro bill.....+$100/month. If I weren't such a procrastinator I'd go buy a timer and have it come on a couple hours before intended use.
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Old 02-01-2011, 05:45 AM
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The first night I had mine at home I plugged it in and it started up fine the next morning. I let it run for 15-20 minutes and shut it down. I started it up last night to take it for a drive and it seemed hard to start. Dome light got real dim and it was shaking a little bit trying to start up. Ive been waiting for about 5 seconds after the light goes off before I crank it over. So would this be considered normal, a gpr relay or the batteries since the dome light dimmed? I didnt do any troubleshooting last night since it was dark and raining at the time. Once it started it ran fine and started up fine after I filled it up.
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Old 02-01-2011, 06:20 AM
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have a test light or a volt-meter? test your batteries and your relays
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Old 02-01-2011, 02:56 PM
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Ok, well today it wouldn't start at all. I plugged it in last night and temps got below zero. And nothing this moring. Its never done this???? Could my block heater gone out? Is there anyway to check this. I have had it plugged in all day and just got home from work and no start but temp never got above 2. Still makes that hiss when trying to start. I think its either the block heater or starter. In the past when glow plugs where bad or relay it would try to start until batteries went dead. Now it just act like motors locked up. I did replace relays gp's and relay about 3 yrs ago. What is going on? I need help............. Chris
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Old 02-01-2011, 04:17 PM
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Check your glow plugs, and your glow plug relay. I just got done trouble shooting my system for doing the same thing. On my truck the previous owner had the 12v power source hooked up to the wrong side of the starter solenoid. I also found that using some diesel additive helps a lot. I just got done driving up to Utah and ran into some sub zero temperatures and the additive helped quite a bit. I was actually surprised.
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Old 02-01-2011, 04:24 PM
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I don't think its a relay or glow plug issue. I went through that a few yrs ago and learn how to troubleshoot and test system. Plus it doesn't act the same as when I had those problems. This is a whole different monster. I'm hoping its the block heater. Cause even with gp and relay problems it always started when plugged in and now nothing.
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Old 02-01-2011, 04:37 PM
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Check the block heater for continuity, if it doesn't have continuity its broke.
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