Cold starting?
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Junior User
Joined: Jul 2006
Posts: 95
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Cold starting?
First diesel, 95PS
This morning temp was about 40.
Turned the ignition, glow plugs warm in about 4 sec., cranked for about 4 secs. Turned of the ignition and repeated, still no start. Did it again and busted right off on the third try. Is this normal? Or should I have cranked longer on the first try?
This morning temp was about 40.
Turned the ignition, glow plugs warm in about 4 sec., cranked for about 4 secs. Turned of the ignition and repeated, still no start. Did it again and busted right off on the third try. Is this normal? Or should I have cranked longer on the first try?
Senior User
Joined: May 2005
Posts: 221
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From: Carson, Washington
I start using mine when the temps get down in the 30's or lower. My truck doesn't like cold but seems to do okay without being plugged in for the week I am elk hunting in around 10* weather. That is what it usually gets down to at night sometimes colder. I have to cycle the glowplugs a couple times then it will fire up. We will see this year. I have new injectors and a chip. I'll find out in a couple weeks if it will like it or not.
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Senior User
Joined: Jan 2006
Posts: 349
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From: Louisville
If you watch your voltmeter you can see when the glowplugs kick off, there is a big drain on the system while they are in operation.
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Post Fiend
Joined: Apr 2004
Posts: 12,835
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From: Silver Lake Dunes, MI
glow plugs will stay on for a max of 2 minutes depending on engine oil temp and air temps are. I though when you said you let the glow plugs warm for 4 seconds you meant turn key on count to 4 and crank. The WTS light is a set time. it never changes but the actual glow plug on time does change any where from 0 to 120 seconds. I Plug my truck in when it starts getting harder to start with out it. consistant 30 degree weather usually.
New User
Joined: Nov 2006
Posts: 17
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I've actually tested this 2 minute timeout by metering the glow plug side of the GPR on a cold startup.
I am thinking that I might install a small 12 volt light bulb to this connection and put the bulb in on my dash somewhere, so that I know if the GPR is working or not.
This still won't tell me how many amps are getting thru the GPR but it will tell me that it is working.
I've often wondered if the contacts get bad on a GPR, will they not pass as many amps to the glow plugs? It might not be as simple as a go/no go situation. Any mechanical contacts can get spotted or pitted over time and this could compromise the relay.
I am thinking that I might install a small 12 volt light bulb to this connection and put the bulb in on my dash somewhere, so that I know if the GPR is working or not.
This still won't tell me how many amps are getting thru the GPR but it will tell me that it is working.
I've often wondered if the contacts get bad on a GPR, will they not pass as many amps to the glow plugs? It might not be as simple as a go/no go situation. Any mechanical contacts can get spotted or pitted over time and this could compromise the relay.