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read the newbie guide and have good news
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Author:  Jwlochal [ Fri Apr 26, 2013 1:29 am ]
Post subject:  read the newbie guide and have good news
Looks like my crd was taken care of by someone who knows a thing or 2 about these jeeps. After reading the noob guide I pulled the Map sensor and BEHOLD it looks almost like new! 80k on the odometer and just a very little bit of build up on it, a little bit of fluid on it is all, not the dry crusty build up that you see in some of the pictures.
The air filter needs replaced, its not real bad but one thing that can rob some power and mileage.
Found 2 stickers under the hood for some work that has been done, can anyone help figure out what this is...


Image

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Love the Jeep so far. Cant wait to really start putting it to work!
Jeremy
Author:  papaindigo [ Fri Apr 26, 2013 6:30 am ]
Post subject:  Re: read the newbie guide and have good news
The F37 recall was done on 12-26-2006 and they appear to have replaced the torque converter and reprogrammed your ECU to reduce power a bit and your TCM to raise the shift points (changes final shift point from ca. 58 mph to 62mph). Backwards way (cheaper) for fixing a weak torque convertor compared to the engine; detune engine instead of installing a proper torque convertor which they did on the 2007 export models hence you will see chat about upgrading to the DCJ "Euro" (aka export) TC.

On a date I cannot quite read they flashed the ECU (referred to as the PCM on the label) with the 56044562cf version of its program. Don't have a clue what that does but I'd strongly recommend that you save up and purchase a GDE (http://www.greendieselengineering.com/s ... ler%2FJeep) ECU tune for a host of benefits and dump the OEM tune ASAP
Author:  dirtmover [ Fri Apr 26, 2013 12:20 pm ]
Post subject:  Re: read the newbie guide and have good news
papaindigo wrote:
Don't have a clue what that does but I'd strongly recommend that you save up and purchase a GDE (http://www.greendieselengineering.com/s ... ler%2FJeep) ECU tune for a host of benefits and dump the OEM tune ASAP


+1 on the tune but you never know, if this crd was indeed "taken care of by someone who knows a thing or 2 about these jeeps" they may have already installed it. Drop Keith and email with your VIN and he should be able to tell you.
Author:  Hexus [ Fri Apr 26, 2013 3:02 pm ]
Post subject:  Re: read the newbie guide and have good news
If the EGR valve hasn't been disabled via a Tune or physical removal, then I will have to disagree with your initial assessment that the Previous Owner knew what they were doing.

Anyone could have removed the MAP sensor and cleaned it, or replaced it for $20.

Send Keith at GDE the VIN # and he can probably verify if it has a GDE tune or not...

Otherwise that should be your absolute first priority, at 80k you may keep your rockers/lifters if you get it done now.

ORM is not sufficient.
Author:  ChesterCRD [ Fri Apr 26, 2013 3:12 pm ]
Post subject:  Re: read the newbie guide and have good news
It might be a good idea to check for SEGR also if you haven't spoken to the previous owner. When properly installed they are not easy to find unless you know what you're looking for. I'm pretty sure I'd keep mine a secret if I traded it in, but I would tell a new owner about it if I sold it F2F.
Author:  DOC4444 [ Fri Apr 26, 2013 10:41 pm ]
Post subject:  Re: read the newbie guide and have good news
You have a GDE tune if the idle speed briefly flares up to a little over 1000 rpm on cold start, then quickly drops back to around 700.

DOC
Author:  woodtick [ Fri Apr 26, 2013 11:24 pm ]
Post subject:  Re: read the newbie guide and have good news
Another way to tell is disconnect the MAF. If no CEL appears on the dash, your probably good. Either way call Kieth. Awesome guy to deal with.
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