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 Post subject: Re: Rough idle...
PostPosted: Mon May 28, 2012 2:24 pm 
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Any good diesel injector shop in your area should be able to do the job although I'd wonder about running a tank full thru it with injector cleaner. Cost would vary on what they have to do.

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 Post subject: Re: Rough idle...
PostPosted: Sat Jun 02, 2012 5:47 pm 
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Location: Arkansas
I'm really beginning to hate my Jeep. They cheapest injector I can find is close to $500. I talked with another diesel shop to see about getting it cleaned and serviced and he just kinda laughed and told me he would suggest just buying a new or reman injector. So my Jeep I financed less the 5 months ago is a yard ornament until I come up with the cash for an injector. Is there anywhere else to look for an injector or for someone to service it? I live in a small town in Arkansas, there isn't much around.


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 Post subject: Re: Rough idle...
PostPosted: Sat Jun 02, 2012 6:39 pm 
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Check the salvage websites - they locate that sort of thing for you and bid for the business. My guess is, given that most of our 2005/2006 engines are passing between 100k and 150k - there will be more than a few languishing out there just waiting for someone to pull an injector.

?

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 Post subject: Re: Rough idle...
PostPosted: Sun Oct 21, 2012 7:17 pm 
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Any update on this??


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 Post subject: Re: Rough idle...
PostPosted: Sun Oct 21, 2012 9:11 pm 
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msilbernagel wrote:
Check the salvage websites - they locate that sort of thing for you and bid for the business. My guess is, given that most of our 2005/2006 engines are passing between 100k and 150k - there will be more than a few languishing out there just waiting for someone to pull an injector.

?

Off topic I know, most of the CRD's "passing" between 100-150,000 miles?
That's news to me, and I hope also bull shnit news!!

As to th injector stuff, I would as others said look online for a good injector shot that has worked on the CRD injector before. If the can do it soon just pay for fast shipping!

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 Post subject: Blow by
PostPosted: Mon Oct 22, 2012 9:06 am 
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Location: Newark, DE
Excessive blow by is NOT normal. Yes, on a diesel you need fuel, air, and compression. If the engine is running rough (compression), and it is "missing" (dead cylinder), the excessive blow by could certainly be a result due to worn or broken piston rings, cracked piston, cracked liner (though unlikely, and you may have coolant issues if so). I have built many diesel engines, and I have one right now that will be rebuilt. It is an '83 Volvo 760 turbo diesel, with a VW/Audi engine. It certainly misses from #1 cylinder, likely due to worn or broken top compression rings (common failure mode from folks using the incorrect oil or from using starting fluid). It, too, has excessive blow by. I have built diesels that have nearly no detectable blow by cold or hot, but that is after careful machining and matching of pistons and rings, and a lot of money. My 2005 TDI, now sold, which we bought brand new in 2005 had some blow by, even new. Never got worse or better, however, it was not excessive. What is excessive? With the engine hot, pop the dipstick out (engine running). Is it smoking like a chimney? That is too much. Almost none or none? That is normal. What is almost none? You need a flashlight or direct sunlight to see it. Now, insert the dipstick (no comments, please), and start the engine if not already running. Open the oil cap. Is there a lot of white smoke? Some is OK, and by some, I mean almost none, or VERY little. If it is a cloud, that is bad, and you have piston and/or piston ring problems. My CRD has 81K, and you cannot detect any blowby (smoke) hot, and if I use sunlight or a flashlight, you can see almost none. My buddy who has a CRD with nearly 170K also has nearly none. The notion that it is normal is not right. If you could get pictures or a video and post it or email it, I can help. I can post mine, if I get time, and also post what is not normal from the engine in which I am about to rebuild (the Volvo diesel engine). The best thing you can do from here is to do a compression test. It is cheaper than an injector. I am not saying you don't have another issue, however, missing and "excessive blow by" is not normal and is likely related to the rough idle and miss, and should be addressed and investigated.

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 Post subject: Re: Rough idle...
PostPosted: Mon Oct 22, 2012 11:34 am 
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Well if smoke out the EHM isn't normal then my engine is wasted because I have visible smoke at any given temp out of my CCV hose!
I also worried about this when I noticed it and was told by many CRD owners on this forum that its normal for the little 4cyl diesel!
My 7.3L F250 has a CCV hose and it also has some smoke (should say oil vapor not smoke)but not near as much as my CRD Jeep!
Would an oil analysis help any?

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 Post subject: Re: Rough idle...
PostPosted: Mon Oct 22, 2012 11:39 am 
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*SOME* Minor barely detectable smoke is ok. Not optimal, but alright. A cloud, steady stream, puffing, thick or very detectable smoke is not good. An oil analysis may help, but the truth would be in a compression test.

Here is a youtube video (NOT mine!) of a CRD with some blowby: http://www.youtube.com/watch?v=-qzXs6G4kMM
While, to me, that does not look normal, it sounds like it is running alright. That is not to say there is some wear in the engine in the video. It may run fine with wear or other issues. Usually it'll use a little bit of oil. My personal CRD does not have this amount, and as previously mentioned, it is almost undetectable. I also do not use any oil in the 4500-5K oil change interval I have been doing. I do 95% rural highway driving in the mountains.

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 Post subject: Re: Rough idle...
PostPosted: Mon Oct 22, 2012 12:43 pm 
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MRausch82 wrote:
*SOME* Minor barely detectable smoke is ok. Not optimal, but alright. A cloud, steady stream, puffing, thick or very detectable smoke is not good. An oil analysis may help, but the truth would be in a compression test.

Here is a youtube video (NOT mine!) of a CRD with some blowby: http://www.youtube.com/watch?v=-qzXs6G4kMM
While, to me, that does not look normal, it sounds like it is running alright. That is not to say there is some wear in the engine in the video. It may run fine with wear or other issues. Usually it'll use a little bit of oil. My personal CRD does not have this amount, and as previously mentioned, it is almost undetectable. I also do not use any oil in the 4500-5K oil change interval I have been doing. I do 95% rural highway driving in the mountains.


Read this one when you have a few min!!
viewtopic.php?f=5&t=62745

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-05 Dark Khaki Limited CRD. GDE ECO tune. In-tank lift pump, Transgo doo doo kit, B&M trans cooler, replaced trans solenoid pack and filters, Newer Michelin tires, Timing belt with all related parts replaced at 110,000miles.


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 Post subject: Re: Rough idle...
PostPosted: Mon Oct 22, 2012 1:16 pm 
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painemann wrote:
MRausch82 wrote:
*SOME* Minor barely detectable smoke is ok. Not optimal, but alright. A cloud, steady stream, puffing, thick or very detectable smoke is not good. An oil analysis may help, but the truth would be in a compression test.

Here is a youtube video (NOT mine!) of a CRD with some blowby: http://www.youtube.com/watch?v=-qzXs6G4kMM
While, to me, that does not look normal, it sounds like it is running alright. That is not to say there is some wear in the engine in the video. It may run fine with wear or other issues. Usually it'll use a little bit of oil. My personal CRD does not have this amount, and as previously mentioned, it is almost undetectable. I also do not use any oil in the 4500-5K oil change interval I have been doing. I do 95% rural highway driving in the mountains.


Read this one when you have a few min!!
viewtopic.php?f=5&t=62745

I have read that in the past, and as I said, it does not mean the engine will run poorly as a result, although if you have excessive blowby and a poor running/missing engine, it could certainly be related, i.e. compression trouble. The only way to know for sure is to take a compression reading from all four cylinders. Blowby is not good in excessive amounts, and is a sign of internal wear and combustion gasses getting past the rings. I have had engines with blowby that ran alright, but ones with excessive blowby, as explained in my prior posts, had/have other issues directly resulting in excessive blowby. I have rebuilt many diesel engines throughout the years, and can say that too much blowby is not good and is an indicator of other problems occuring or developing, and is a sign of wear or faulty internal parts, whether from lack of maintnance, poor build from the factory, etc. the fact is the same. All I can say is that my CRD does not have this issue, nor does my friends CRD with 170K, nor did my 2005 which I sold in 2008. I looked at a few for sale, and a few had some blowby, though not excessive, and they seemed to run a little noisier and more rough than mine did, and also did not seem to have the same power. My :2cents: take it for what it is worth from someone who has owned, repaired, serviced, rebuilt, opened up, bought, and sold many-a-diesel engine.

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