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Old 09-20-2007, 05:16 AM
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Injector or Injector Seals???

I got my first Blackstone report yesterday and everything is great except for 1 small item. The sample was 5.5% diesel. So I have a leak somewhere. The report suggested it is either a bad injector or a bad seal.

I am new to diesels so how hard it is to check these and likely replace them?
I have not run codes yet. I need to find a code reader to use. This is on an '03 Excursion with the 6.0L.

Thanks
SHawn
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Old 09-20-2007, 09:34 AM
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Me and WillyP just replaced all my injectors on Saturday for the same reason you you need to change them. The orings could be bad, the copper washer could be bad, after all you do have 03 injectors which are prone to problems. They aren't that bad to replace, if you plan on doing them yourself, let me know and I'll send you step-by-step instructions.

When mine started going bad, a normal OBD code reader wouldn't pull any codes on the injectors.
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Old 09-20-2007, 10:17 AM
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Hey thanks for the info. If you could send me the step-by-step that would be great. It's running fine I just don't want any long term issues. If you want to email me the instructions I am at sthompson@pivotint.com.

Out of curiousity how much did the injectors set you back?

Thanks
SHawn
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Old 09-20-2007, 01:32 PM
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Did you take your sample with the oil warm/hot or did you pull it cold. Pulling a cold sample will show high concentrations of diesel even when nothing is wrong.
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Old 09-20-2007, 01:41 PM
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Quote:
Originally Posted by npccpartsman View Post
Did you take your sample with the oil warm/hot or did you pull it cold. Pulling a cold sample will show high concentrations of diesel even when nothing is wrong.
Now there is some information that I did not know. Why is it that cold would show more? is it everything draining back towards the bottom of the motor maybe?
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Old 09-20-2007, 06:22 PM
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The sample was taken warm. I actually took it after driving home from work (about 25 minutes on the highway plus another 15 or so in regular traffic). Thanks for the tip. I was concerned about this also. I jsut bought the vehicle so I am unsure how long since the last oil change. This may simply be the fact that it had been a while. I plan to run another sample after 5000 miles. I am just concerned there may be an injector issue.

I think that the fuel burns off when the enigine runs but some will still "leak" down if you pull a cold sample. Blackstone Labs talks about this on their website.
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