Truck wont start unless plugged in - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 10 (permalink) Old 04-25-2010, 11:00 PM Thread Starter
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Truck wont start unless plugged in

I tested the glow plugs resistance and they're all good. Glow plug relay is good
truck wont start unless its plugged in for about an hour! any ideas? thanks!
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post #2 of 10 (permalink) Old 04-26-2010, 12:53 AM
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How did you test the GPR? What has the outside temperature been lately? If you run it for a while, how long does it have to sit before it is hard to start? Once started, does it run smooth immediately or does it seem to lope for a while?

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post #3 of 10 (permalink) Old 04-26-2010, 01:36 AM Thread Starter
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hey thanx 4 the quick reply. I tested the relay by measuring the voltage, and i got 12 volts when the key was turned on. Its been like 20+ degrees celcius, nice and warm and usually after it sits out all night without being plugged in she wont go in the mornin! If shes plugged in she normally runs pretty good, maybe a little sluggish from time to time.
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post #4 of 10 (permalink) Old 05-01-2010, 05:10 PM
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how many miles are on the truck?
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post #5 of 10 (permalink) Old 05-01-2010, 07:00 PM
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Check for bad grounds.

Real Trucks Burn Diesel!

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post #6 of 10 (permalink) Old 05-02-2010, 03:30 PM Thread Starter
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299k ICP sensor is all oily where the electric connector plugs together, so bad I think but does this have something to do with block heater needing to be plugged in?
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post #7 of 10 (permalink) Old 05-02-2010, 04:54 PM
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there is a problem with the international trucks, the injectors solenoids are worn and when there cold they cant complete the gap. when its warm its hot enough everything expands and we can complete the gap and fire them off.
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post #8 of 10 (permalink) Old 05-02-2010, 05:20 PM Thread Starter
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so it may be injector solenoids? is there eight of them? I've never heard of this. thanx 4 the help
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post #9 of 10 (permalink) Old 05-02-2010, 08:47 PM
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the spool valves get sticky from sludge. you can try running a coupld qts of trans fluid in the oil that fixes half of them but sometimes they need to be replaced.

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post #10 of 10 (permalink) Old 05-02-2010, 09:45 PM Thread Starter
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what the **** is a spool valve?
**** ford time 4 a duramax
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