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No black smoke whatsoever
http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=5&t=84205		 Page 1 of 1
Author:  pjlasota [ Thu Mar 10, 2016 8:52 pm ]
Post subject:  No black smoke whatsoever
as much as I step on the peddle my 05 Jeep Liberty crd does not blow any black smoke. I'm worried... I have egr codes and air flow code and low boost code


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Author:  mass-hole [ Thu Mar 10, 2016 9:42 pm ]
Post subject:  Re: No black smoke whatsoever
pjlasota wrote:
as much as I step on the peddle my 05 Jeep Liberty crd does not blow any black smoke. I'm worried... I have egr codes and air flow code and low boost code


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Do you have a way to show what the MAP is reading? Maybe Torque on Android?

Is it low on power?
Author:  pjlasota [ Thu Mar 10, 2016 11:56 pm ]
Post subject:  Re: No black smoke whatsoever
torque on android? I'll take the map out to look at it but what's the map have anything to do with the smoke?


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Author:  pjlasota [ Thu Mar 10, 2016 11:56 pm ]
Post subject:  Re: No black smoke whatsoever
it isn't low on power i don't think


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Author:  joe_ [ Fri Mar 11, 2016 12:09 am ]
Post subject:  Re: No black smoke whatsoever
pjlasota wrote:
I'll take the map out to look at it but what's the map have anything to do with the smoke?

The MAP sensor measures the air pressure in the intake manifold, which helps the PCM determine how much fuel to inject.
Author:  mass-hole [ Fri Mar 11, 2016 12:11 am ]
Post subject:  Re: No black smoke whatsoever
Smoke would suggest that you are not getting enough air/boost, however you say you have full power and no smoke. That suggests to me that you are making plenty of boost. Why are you getting low boost codes then? I would guess that maybe the MAP is reading low and the jeep is trying to compensate and possibly over boosting in the process.

You should see 2200-2300 mbar of boost at full throttle. It hits about 2300 at ~2000rpm and drops to 2200 by 4000rpm.

pjlasota wrote:
torque on android? I'll take the map out to look at it but what's the map have anything to do with the smoke?


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Author:  pjlasota [ Fri Mar 11, 2016 12:12 am ]
Post subject:  Re: No black smoke whatsoever
makes sense


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Author:  pjlasota [ Fri Mar 11, 2016 12:14 am ]
Post subject:  Re: No black smoke whatsoever
I feel the boost kick in pretty good at 3000


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Author:  flman [ Fri Mar 11, 2016 7:34 pm ]
Post subject:  Re: No black smoke whatsoever
None of my diesels intentionally put out smoke, and I got 6 of them.
Author:  pjlasota [ Fri Mar 11, 2016 7:54 pm ]
Post subject:  Re: No black smoke whatsoever
crd?


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Author:  flman [ Sat Mar 12, 2016 10:53 am ]
Post subject:  Re: No black smoke whatsoever
pjlasota wrote:
crd?


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Of course, 2 Jeep CRD, 3 Sprinter CRD and John Deere 2305 mechanical injection.

Now if you get the GDE hot tune you will see some smoke on heavy acceleration.
Author:  Rixram [ Wed Mar 16, 2016 3:56 pm ]
Post subject:  Re: No black smoke whatsoever
Black smoke is unburnt fuel, stench, and a bad reputation for diesels.

Why would you need that, anyway?

Note: I usually drive pretty reserved, and rarely exceed 2,000 rpms. As such, I tend to get a little carbon build-up in my exhaust system. If someone pisses me off enough, I'll stop the throttle (bad for a diesel, I know) to hit 3K revs just enough to belch that cloud of built up crap out, but only if their windows are open.
Author:  pjlasota [ Wed Mar 16, 2016 5:07 pm ]
Post subject:  Re: No black smoke whatsoever
stomp on the peddle to smoke them?


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