Smokin on Startup - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 12 (permalink) Old 04-02-2006, 12:31 AM Thread Starter
 
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Smokin on Startup

Hey Guys, got one for ya.

My 02' PSD 7.3 smokes like an SOB. Whiteish smoke galore upon startup for at least 10 minutes. Then once the truck is warmed up it clears up.

Any thoughts? Is it glow plugs or do I have an injector going out.

Thanks guys

Matty
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post #2 of 12 (permalink) Old 04-02-2006, 03:06 AM
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sounds like something with the glow plug system. Could be a glow plug relay or a few glow plugs themselves.
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post #3 of 12 (permalink) Old 04-02-2006, 03:44 AM
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my truck does the same thing, so does our 2000 at work.......... If it was gloplugs the truck wouldn't start for crap, and mine fires right up.... My 2000 I had didn't smoke at all on start up but it wouldn't start for crap when it was cold, so take it for whats its worth but i don't see anything wrong with it.....

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post #4 of 12 (permalink) Old 04-02-2006, 04:58 AM
 
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White smoke at startup is caused by low combustion temps. Look at glow plug relay, harnesses and Gp's first. It's like you see all winter long out of anything with a tailpipe thats run cold. White smoke when warm is also low temps but the cause is usually combustion chamber leakage like coolant from a blown head/gasket.
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post #5 of 12 (permalink) Old 04-02-2006, 07:02 AM
 
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ID say glowplugs, you may have 1 or 2 bad? check the relay and all plugs, do a ohms test on the plugs. i just dont like the test light way.
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post #6 of 12 (permalink) Old 04-03-2006, 08:04 AM
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Quote:
Originally Posted by Derag2
If it was gloplugs the truck wouldn't start for crap, and mine fires right up....
If only a couple are bad it can start OK but those cylenders that have bad plugs might not fire real well causing the smoke.
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post #7 of 12 (permalink) Old 04-03-2006, 06:41 PM Thread Starter
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Thanks guys.

I'll check it sometime this week.

Matty
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post #8 of 12 (permalink) Old 04-04-2006, 03:26 AM
 
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Just wonderin but is your motor oil low at all? I wouldn't think it would be an injector seal going bad. Does the smoke smell sweet at all? It's obviously a leak in the head gasket if you smell any sweetness. Usually a few bad glow plugs would not cause your truck to smoke for 10 minutes. Your truck should be at operating temp. within a few minutes or so, unless you live in maine or some else really cold. I think it would have to be something residual. Something taking alittle bit of time to burn off.
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post #9 of 12 (permalink) Old 04-04-2006, 06:42 AM Thread Starter
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Noble,

It smells like raw diesel. Will check the oil level tomorrow.

matty
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post #10 of 12 (permalink) Old 04-05-2006, 02:02 AM
 
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It could be bad fuel in the cylinder.:Thumbup:
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