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post #1 of 4 (permalink) Old 06-09-2009, 10:48 AM Thread Starter
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cold start questions?

When my '97 sits for a couple of days then I start it, it's been starting kind of hard and a couple of times sent out quite a bit of white smoke and ran rough for a little bit until it cleared up. My question is could an injector be loosing fuel into the cyl while its sitting- ie leaking down? or is there another direction I should be looking?

1997 f250 4x4 sclb, auto, 3.55's, 191k, diy intake w 6637, ccv mod, pyro, boost, trans gauges, 3" dp to 4" single exh. super chips for now. scangauge
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Besides there is absolutely no way to idiot proof something, since they are always coming out with better idiots by the day
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post #2 of 4 (permalink) Old 06-09-2009, 12:55 PM
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Re: cold start questions?

It sounds like your glow plugs are not getting the juice they need. Before you jump straight to looking at your GPR and plugs, double, triple check your connections at the batteries. No corrosion, nice and tight, no bad wires etc. Then I would observe your voltmeter when starting and see if the voltage stays low for a couple of minutes. If all of that looks good, you can take each battery out and have them tested individually. With our dual batt setup it can be hard to diagnosis batteries in the truck. The more knowledgeable guys on the forum will tune in soon I'm sure with how to check your GP's and GPR. My truck did the same thing (thank goodness I live in the south where its warm) and it I had a bad battery, loose and corroded connections and a craptastic Positive battery cable. Fixing 3 of the 4 bad items on the list, cured my problem. Those +pos cables are fairly expensive to replace fyi.

Dave

1994.5 F350
4x4 with 285/75R16
5 Speed Manual
4.11 Gears
DIY Intake
Downpipe, Straight Exhaust
1st Year Stroke still going at 287K
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post #3 of 4 (permalink) Old 06-10-2009, 01:22 AM
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Re: cold start questions?

Could just be one or two bad glow plugs. They are easy to test using and ohm meter. should read less than 6 ohms if I remember right. Disconnect the 4 valve cover wire harnesses and test each of the 8 outside pins (2 on each connector).

97
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PSD. CC 4X4 195K, IDM mod, 6 Leaker IC, DP Tuner 6pos chip, WOP QSSB Turbo, kit by Carson Stauffer. Swamps 175/146's sticks, CNG kit 35mpg's on the diesel, E-fuel, Adrenaline and converted to a ZF5. RSK rolling on 35's. 4" straight pipe. 2011 f350 ccsb leveled on 35's, I can neither confirm nor deny that it is tuned and deleted!
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post #4 of 4 (permalink) Old 06-10-2009, 04:28 AM Thread Starter
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Re: cold start questions?

thanks for the help, I know it has a new uvc harness on the right side which makes me wonder what condition the left one is in?

1997 f250 4x4 sclb, auto, 3.55's, 191k, diy intake w 6637, ccv mod, pyro, boost, trans gauges, 3" dp to 4" single exh. super chips for now. scangauge
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Originally Posted by jdc753 View Post
Besides there is absolutely no way to idiot proof something, since they are always coming out with better idiots by the day
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