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post #1 of 14 Old 10-27-2011, 03:02 PM Thread Starter
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Missing

Would bad injector o-rings cause my truck to miss only on a cold start? Even if i plug it in overnight it still misses for about 1/4 - 1mile sometimes more
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post #2 of 14 Old 10-28-2011, 12:41 PM
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Does it smoke at all? How long do you let it warm up before driving? Sounds like it's not getting to operating temp and when it gets to a good temp it stops missing.
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post #3 of 14 Old 10-29-2011, 06:26 AM Thread Starter
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Yes it smokes a blueish clear haze on startup. Then goes away when its driven down the rooad. I usually let it warm up while I'm gathering everything for work. So usually about 5mins.
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post #4 of 14 Old 10-29-2011, 07:09 AM
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Sounds like a sticking injector, Try running a bottle of Rev-X through it. Changind the oil with a good quality...It should solve that issue

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post #5 of 14 Old 10-29-2011, 09:24 PM Thread Starter
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Been running rotella 15w-40 in it. thinking about switching tho. noticed its starting to make the oil bubble or foam on the dipstick.
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post #6 of 14 Old 10-29-2011, 09:31 PM
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Could def be an injector o-ring. Seats once it warms up.


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post #7 of 14 Old 10-29-2011, 09:46 PM
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how many miles on the truck? Injector o-rings do go bad, If it has over 200k, replace them. I'd be willing to bet you find a few burnt ones.



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post #8 of 14 Old 10-30-2011, 08:49 AM Thread Starter
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268k lol. dunno if they have been replaced before me but iv owned it for a year and my brother owned for 2 years and the injectors have never been taken out since we have owned. iv gotta replace the injector cups so im gonna replace the orings while the injectors are out anyways
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post #9 of 14 Old 10-30-2011, 11:49 AM
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I'm sure you will but make sure you inspect your UVCH and all associated wiring and stuff while you have the covers off. IMO if you have never changed them I would be thinking about doing it even if they look.


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post #10 of 14 Old 10-30-2011, 12:14 PM Thread Starter
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Quote:
Originally Posted by JJFLASH View Post
I'm sure you will but make sure you inspect your UVCH and all associated wiring and stuff while you have the covers off. IMO if you have never changed them I would be thinking about doing it even if they look.
i already replaced all 4 of the harnesses and both valve cover gaskets in febuary along with all the glow plugs.
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