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Old 01-23-2013, 07:06 AM
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Smoke

I have a 95 F-250 that I need help diagnosing a problem with. I am trying to figure out what the deal is with the smoke I'm blowing. It's cold in Maryland right now and when I start the truck in the morning a huge cloud of white smoke rolls out of the exhaust after about five minutes it calms down to what I consider normal. Also, when I stomp the throttle it blows grey before black (obviously burning oil).

There are a number of things that I think might be an issue or possibly a combination of things:

1. Blown head gasket
2. Bad crank bearing
3. Cracked injector sleeve
4. Clogged injector


Once the truck is up to heat, it does blows very little white smoke but, hardly any. Please help me figure this out.
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Old 01-23-2013, 07:11 AM
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Start up smoke is normal, Mine pours smoke on cold start up's
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Old 01-23-2013, 07:17 AM
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I figured it would do this when it got cold, but it's really coming out thick and kind of rough to start at first plus - expectedly - it runs rough till its warm.
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Old 01-23-2013, 07:19 AM
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How long does it run rough? 5 mins after start up or 30 min when the truck itself is warm?
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Old 01-23-2013, 12:08 PM
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It runs rough for about 5 to 10 minutes but when the truck gets warm it runs solid. But when it's running rough its not holding a steady rpm and almost sounds like a cylinder is not firing right.
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Old 01-23-2013, 12:09 PM
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I've read that it might even be a glow plug not getting hot enough to fire right
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Old 01-23-2013, 06:00 PM
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amp test the glow plug circuit
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Old 01-23-2013, 06:27 PM
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Sounds like a bad injector or two. Mine wouldn't start without block heater last year, when it got below 40. I put four injectors in it in sept.
You should be able to test them and find the bad ones or get someone with a break out box to check it cold.
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Old 01-24-2013, 02:23 PM
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I don't know what happened but it hasn't had the issue for three days now. The temp is the same. I wonder if I just had water in the fuel or somethng sticking.
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Old 01-25-2013, 11:36 PM
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Smoke

Sounds like injectors to me, what kind of oil are you running, but the grey smoke is not oil it's diesel that's half burnt, if u had enough oil burning to make grey smoke you'd would have a run away almost instantly.


Sent from AutoGuide.com App
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