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post #1 of 11 (permalink) Old 10-03-2011, 04:39 PM Thread Starter
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starting problem

hey everyone.
i am having sometroubles starting in the morning. i have replaced the glowplugs and the relay. anyone have an idea of what i should try next. i am going on a hunt in 2 weeks and i will not have a plug in for the block heater. the weather here hasnt dropped below. 50 degrees f. should i be plugin it in at this temp already. i am pretty new with deisels. any advise will help thanks for the time.
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post #2 of 11 (permalink) Old 10-03-2011, 05:42 PM
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Re: starting problem

When you say hard starting in the morning is is cranking over slow or just taking a long crank to get started? I few things to check. Starter, Alt, Batteries. I had hard starts last year and after changing batteries and alt i found out the starter was just getting old replaced it and started like a charm.
Also use a god quality oil. I went from the cheep walmart brand to Rotela and it starts way better in cold days did not even need to plug it in last year
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post #3 of 11 (permalink) Old 10-03-2011, 07:26 PM Thread Starter
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Re: starting problem

i replaced the batteries about 6 months ago along with all the cables i havent. the shop did a alternator check then and said it was good. i havent done the starter yet so maybe that. its not slow cranking at all. it just takes forever to start cranks cranks and cranks. i tryed turning key on and off to let the glow pugs warm a lil more and still nothing.
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post #4 of 11 (permalink) Old 10-03-2011, 08:09 PM
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Re: starting problem

Cycling the key does nothing wrt. the glow plugs. On a cold engine, they'll stay on for up to two minutes. If you want to extend the glow plug run time before starting, just keep the key in RUN for as long as you see fit.

What brand of glow plugs and relay did you buy? Did you inspect the wiring connections outside and inside the valve covers?

It would also be good to test the voltage at the relay, and at the UVCH connectors, and measure the resistance of the glow plugs at the connectors.
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post #5 of 11 (permalink) Old 10-03-2011, 08:49 PM Thread Starter
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Re: starting problem

i got the motorcraft zd-11 and the relay is a ford factory. all the wires were fine with no cracks or disconnected. how do i check the resistance from glow plugs at the connectors.
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post #6 of 11 (permalink) Old 10-03-2011, 09:16 PM
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Re: starting problem

Each connector on the valve cover has 5 pins. The two outside pins on each connector goes to the glow plugs. Test the glow plugs from the battery ground to the pin on the valve cover. Factory specs are from .6 ohms to 6 ohms are good plugs but anything over 2 ohms and the plug is living on borrowed time.

Also check the relay. When it is energized measure the voltage on each of the two large lugs to a battery ground. There should be less than 0.3 of a volt difference between the two.

96 F250 XLT 4x4, 4:10 gears, 5 speed, Tymar intake and HX hose, downpipe, pyro and boost guages, coolant filter, Luc clutch
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post #7 of 11 (permalink) Old 10-03-2011, 11:13 PM Thread Starter
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Re: starting problem

ok i will do that and tell you what i find thanks
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post #8 of 11 (permalink) Old 10-05-2011, 12:18 AM
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Re: starting problem

check your resevior oil and maybe plug it into a scanner and crank it to see what your IPs are at start up. Might help determine if it's somthing other then the obvieous...just an idea.
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post #9 of 11 (permalink) Old 10-05-2011, 02:56 AM
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Re: starting problem

I think you would be surprised on what a new starter does for the truck... I had starting issues last winter and a new starter fixed the problem...

James
2000 F350 CCLB 4x4 auto, 250/200's from PIS, No Limit tunes, Isspro gauges, 4" exhaust and intake.
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post #10 of 11 (permalink) Old 10-06-2011, 06:00 AM
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Re: starting problem

Quote:
Originally Posted by 95powersmoker View Post
I think you would be surprised on what a new starter does for the truck... I had starting issues last winter and a new starter fixed the problem...
yep agreed. Mine really did not start hard just took a few try's to get it to fire up. Didn't notice the drag in the starter until i replaced it boy what a difference
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