Hard Start - PowerStrokeNation : Ford Powerstroke Diesel Forum
 
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post #1 of 9 (permalink) Old 11-06-2012, 10:23 PM Thread Starter
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Hard Start

I got a 96' 350 that starts hard. By that i mean i'll go out and start it first thing in the morning and it'll just turn over for 10-15 secs and sound like it's never gonna start. then if i turn it off and cycle the plugs again it fires right up with no hesitation. kinda aggrevating. any ideas?

1996 F-350 regular cab, dually, 5spd, 160,000 mi and rolling. Mods: 6 position chip with TW tunes, 6637 intake, 3"dp and 4" exhaust.
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post #2 of 9 (permalink) Old 11-06-2012, 10:30 PM
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Re: Hard Start

I'd start by testing your glow plugs through the harness
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post #3 of 9 (permalink) Old 11-06-2012, 10:30 PM
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Re: Hard Start

Time for glowplugs and a new glowplug relay.

Do you try starting it right after the WTS light goes off? If so try turning the key back off then back on, or wait another 10-15 seconds before cranking.
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post #4 of 9 (permalink) Old 11-06-2012, 10:41 PM Thread Starter
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Re: Hard Start

yeah actually i do let it go 10-20sec after the light goes off before i crank it over and most of the time i cycle it twice before i try starting it the first time. i was thinking glow plugs too cause i just replaced the relay.

1996 F-350 regular cab, dually, 5spd, 160,000 mi and rolling. Mods: 6 position chip with TW tunes, 6637 intake, 3"dp and 4" exhaust.
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post #5 of 9 (permalink) Old 11-06-2012, 10:43 PM
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Re: Hard Start

He's saying let them cycle a second time before trying to start again
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post #6 of 9 (permalink) Old 11-06-2012, 10:46 PM Thread Starter
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Re: Hard Start

thats what i said in the first post i cycle them, try and start and it just turns over then i cycle them again and it fires right up.

1996 F-350 regular cab, dually, 5spd, 160,000 mi and rolling. Mods: 6 position chip with TW tunes, 6637 intake, 3"dp and 4" exhaust.
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post #7 of 9 (permalink) Old 11-06-2012, 10:52 PM
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Re: Hard Start

Cycling them by turning the key on and off doesn't do a thing except to get the WTS light to come on and go off and turn the relay on and off since the plugs stay on for up to 2 minutes after you turn the key on. One thing that it might do is get the disk in the relay to move to a spot where it makes better contact with the contacts in the relay.

You really need to test the relay and glow plugs, that is unless you like to spend money for a new relay and plugs.

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 #8 of 9 (permalink) Old 11-06-2012, 11:17 PM Thread Starter
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Re: Hard Start

thanks bud yea i'll test them glow plugs tomorrow. My buddy told me thats what he figured it was, but i didn't believe him ha!

1996 F-350 regular cab, dually, 5spd, 160,000 mi and rolling. Mods: 6 position chip with TW tunes, 6637 intake, 3"dp and 4" exhaust.
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post #9 of 9 (permalink) Old 11-08-2012, 03:46 AM
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Re: Hard Start

you could also get your batteries checked. If one battery is bad it will crank fine but the glow plugs won't heat enough to start in cold weather. That's what happened to me. And testing batteries is super easy. Probably worth a shot.

1997 F250 HD, E4OD to ZF5 conversion, warn manual hubs, otherwise stock for now...
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