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Old 06-22-2012, 11:10 PM   #1
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Default EGR cleaning...

So I finally got around to removing the EGR valve and TB and elbow. The EGR ports in the elbow were BLOCKED!!! The gunk was so bad it was as hard as steel (no kidding) I had to break it up with a hammer and punch.

I dont have pics sorry. I will finish it up tomorrow and hopefully it will fix this issue.
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Old 06-23-2012, 11:15 AM   #2
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I've seen this lots! I usually use a carbon cleaner to soften any carbon in the valve itself. One thing I can tell you is that problem is usually the result of a rich condition caused by a bad o2 sensor, MAF, restricted air filter, etc.
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Old 06-23-2012, 11:41 AM   #3
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I have an O2 code so it may be part of the issue. Once I clean this up I will reset the codes and see what comes back up after. The EGR valve itself is working perfectly after several tests that I performed on it.

Here in a few I will have it all buttoned back up. Ive got another set of injectors as well to put it if this and the O2 replacement doesnt fix it.
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Old 06-24-2012, 02:58 PM   #4
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Well cleaned everything up real good and got it all back together to no avail. It runs smoother but the misfire is still there ughhh! Plus to top it off the EGR tube nut to the exhaust manifold rusted off so it came right apart. I have it rigged for now since the threads are gone as well.

I have done EVERYTHING i can short of replacing injectors now. This is getting aggravating even more now. Good thing I only paid 1500 for the truck or Id be super pissed.
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Old 12-02-2012, 09:16 AM   #5
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You can rebuild the injectors at home. Basically ohm them make sure they are within spec and replace the filters and o rings. And clean them out really good.

Makes them run like new and its all the "rebuilt" ones are.

Saves yourself some cash.
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Old 12-02-2012, 10:36 AM   #6
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Good video showing how to clean your injectors yourself

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2001 lariat, 4x4, 4r70w tranny, 9.75 rear end. FX4 converted
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Old 12-02-2012, 10:36 AM
 
 
 
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