terrible cold starts - Ford Powerstroke Diesel Forum
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post #1 of 7 Old 12-02-2008, 07:12 AM Thread Starter
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Exclamation terrible cold starts

Since we've been having this real cold weather lately, my truck is a bear to get started in the mornings for school.

My dad's dually will crank right up after its heated once, but mine takes at least 4 or 5 times heating it, before it will blast off.

My gpr is new as of February, and the glowplugs tested good also in ferbruary. (werent new, but glowed when we put power to them)

I'd really like to know what you guys think is wrong, before i go and change good glowplugs

surely this means a have a few glowplugs out right? because if it were a bad gpr, then none of them would get power and it would be even harder to get started...

and btw i'm not able to plug mine in yet, my block heater cord is gone- it burnt. (we bought the truck after it burnt and fixed it)

anyway, any help is appreciated!

Typical cummins owner.

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post #2 of 7 Old 12-02-2008, 07:19 AM
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Mine does the same thing. Normally takes about 3 to 4 cycles to get her to crank up unless its plugged up. If the block heaters plugged in she busts right off. Heres a bump for ya taylor


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post #3 of 7 Old 12-02-2008, 07:20 AM
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g luck

If i were to guess, i'd test the GPR again, make sure it works consistently. Or i'd go and get a new one, keep the receipt and try it. Also check your batteries. I've bought 2 pair in owning my truck 4 years. Yeah, it takes a lot of juice to start these things. might check alternator also.

Seems simple stuff cause these problems 99 percent of the time. Also, plugging it in makes the biggest difference so get that fixed.

I've had the same exact problem.

so happy hunting

el conquistador
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post #4 of 7 Old 12-02-2008, 07:48 AM
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i just replaced my gpr, and after i did that i just checked my glow plugs that were only 1 year old, and i had 6 of them that were completely shot, and the rest were only at 50%, replaced everything, and i still have to cycle 3-5 times to fire, and my dad's 02 w/ original glow plugs + gpr can sit for days covered in snow and fire on the first cycle

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post #5 of 7 Old 12-02-2008, 09:58 AM
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Taylor check out my write up in the maintenance section, it will walk you through testing the GP's, it is written for the 99-03 but it should still work for your truck. just because you purchased a new GPR in Feb doesn't mean a thing. These relay's don't last long, 200amps will burn one up real quick. If it is bad I would only use the Stancor relay!! PM me if this doesn't help.

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post #6 of 7 Old 12-02-2008, 02:56 PM
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I have heard this many times But Glowplugs can last anywhere from 10 seconds to 10 years and from above stock Relays in cold weather will get burned up quick I would suggest a Stancor Relay. Also check your wiring to the glowplugs and check if you have power to the glowplugs and check to see if the glowplugs work under powe which means unplug the harness put a test light on positive battery and the the other on the outter prongs on the valve cover side. in 15 degree weather but truck will start on one cycle.

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post #7 of 7 Old 12-02-2008, 05:17 PM
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I have the same problem. Takes for ever to start. I can here the solinoid clicking when i turn the key and the glow's were replaced 14 months ago. Would the solinoid be working even though i can hear it click when i goto glow the plugs?

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