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post #1 of 11 (permalink) Old 10-05-2018, 10:05 AM Thread Starter
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Join Date: Oct 2018
Location: Ringgold, GA
Own a Commander?: Yes
Model year: 2006
Trim Package: Limited
Power-Train: 5.7L V-8 Hemi
4WD
If 4WD - system: QD-II
Current Mileage: 165000
Posts: 11
Hello!

Hello everyone, new to the forum. Hope everyone is well.

Just some info about me. My son recently turned 16 and got his DL, so we set about searching for a vehicle. Settled on a 2006 Commander (specifics in profile). He loves it (and so do I), and I've set about trying to familiarize myself with Jeep in general, and the Commander in particular. Came across this site and thought it would be good to join. Here some interesting things that we've experienced with the vehicle so far:

- We drove about 2 hours to buy the Commander. On the way home, with me driving, the Nav screen went on the fritz (uh oh). In fact, the NAV screen completely went out, and half the stereo stopped working. Found out through later research that this is fairly common.

- The following day, the vehicle threw an engine light (again, uh oh). Found a youtube video about how to pull the codes - i.e., turning the key from off to on in rapid succession a few times. That worked to get the codes AND - surprise, surprise - it also reset the NAV system/stereo - it came back on and has been working perfectly ever since. I suspect it will likely go out again, but who knows.

- Back to engine codes: we had two. One was for incorrect engine oil in the vehicle. I thus learned that 5w20 is REQUIRED for the HEMI and apparently the previous owner did not know this. We had the oil changed at our trusted mechanic and made sure they put in the correct oil. Second light is for o2 (P0430). Looks like we may have to replace the cat.

- Prior to buying, I noticed that some of the HEMI engines have had some kind of problem with dropping valve seats, or some such (I'm not a mechanic, and will not pretend to be one). One of the great selling points of this particular Commander is that the previous owner had all of the cylinder heads, valves, seats, etc., machined and redone about a year ago. Also head gaskets and timing chain. He had the paperwork for the job, and I figured that was a pretty good aspect of the vehicle.

- One other thing regarding the o2 - the mechanic said it might help to pour a couple bottles of ethyl alcohol into our gas tank. He said it might bring the cat back to life. Anyone have any thoughts on this?

Well, that's about it so far. Looking forward to getting involved.

James
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post #2 of 11 (permalink) Old 10-05-2018, 11:50 AM
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Join Date: Oct 2015
Location: East Coast of Florida
Own a Commander?: Yes
Model year: 2008
Trim Package: Sport
Power-Train: 4.7L V-8
4WD
If 4WD - system: QT-II
Current Mileage: 101,200
Posts: 5,335
Garage
@jamesd1628;

Welcome to the forum; Post some pics of your Commander when you can. Here are some links to help you out with future repairs and/or upgrades to your XK;

Chrysler/Jeep Factory Parts: http://www.factorychryslerparts.com/...ukey_make=1064

Cheapest factory Parts: Find OEM BMW, Fiat, Ford, GM, Mopar, Nissan, Subaru & Toyota Parts & Accessories

JeepinByAl: JBAoffroad.com

JustforJeeps.com - http://www.justforjeeps.com/?gclid=C...9i0hoCSS7w_wcB

Rough County lift kits - Suspension Lift Kits, Body Lifts, Leveling Kit, 4x4, Jeep, Chevy, Dodge, Ford, Off-road Truck | Rough Country Suspension Systemsģ

AFE: Advanced FLOW Engineering | Engineered Adrenaline

CARiD.com - http://www.carid.com/?gclid=CjwKEAjw...NrrxoCEBbw_wcB

Bilstein shocks & struts - Home

The Steel Armadillo - Jeep Commander (XK/HK) 2006-2010

WAM Custom Bumpers - https://wambumpers.com/

4WheelParts.com - Truck Parts & Jeep Parts - Lift Kits, Winches, Tonneau Covers, Tires, Wheels, Bumpers, Performance ? 4 Wheel Parts

RockAuto - http://www.rockauto.com/en/catalog/j...catalog%2Fjeep

Also, please read this if you haven't done so already - lots of good information in here;

REQUIRED READING!!! New Member Introduction post & other important new member info.

Thanks and again, welcome aboard.


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post #3 of 11 (permalink) Old 10-05-2018, 12:04 PM Thread Starter
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Points: 318, Level: 6 Points: 318, Level: 6 Points: 318, Level: 6
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jamesd1628's Avatar
 
Join Date: Oct 2018
Location: Ringgold, GA
Own a Commander?: Yes
Model year: 2006
Trim Package: Limited
Power-Train: 5.7L V-8 Hemi
4WD
If 4WD - system: QD-II
Current Mileage: 165000
Posts: 11
Excellent links, thank you. I will post some pics ASAP. My boy has the vehicle most of the time, that selfish little *&#%@! Actually, he's going out of town with a friend this weekend, so I will have her all to myself for a few days. I'll see what I can do. I'm thinking about surprising him with a grille guard or bull bars while he's gone. I would have to find them locally in Chattanooga, though, in order to get them installed before he gets back. Finding that stuff locally seems a bit challenging so far.
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post #4 of 11 (permalink) Old 10-05-2018, 12:16 PM
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Big Blue's Avatar
 
Join Date: Oct 2015
Location: East Coast of Florida
Own a Commander?: Yes
Model year: 2008
Trim Package: Sport
Power-Train: 4.7L V-8
4WD
If 4WD - system: QT-II
Current Mileage: 101,200
Posts: 5,335
Garage
Quote:
Originally Posted by jamesd1628 View Post
Excellent links, thank you. I will post some pics ASAP. My boy has the vehicle most of the time, that selfish little *&#%@! Actually, he's going out of town with a friend this weekend, so I will have her all to myself for a few days. I'll see what I can do. I'm thinking about surprising him with a grille guard or bull bars while he's gone. I would have to find them locally in Chattanooga, though, in order to get them installed before he gets back. Finding that stuff locally seems a bit challenging so far.
Black Horse makes some nice Grille Guards for Commanders and they're reasonably priced; I had one before I got my custom front bumper;

https://www.carid.com/black-horse/?g...UaAjDKEALw_wcB

You can also find them on amazon.


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Last edited by Big Blue; 10-05-2018 at 08:40 PM.
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post #5 of 11 (permalink) Old 10-05-2018, 01:33 PM
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consumedbywater's Avatar
 
Join Date: Jun 2013
Location: California
Own a Commander?: Yes
Model year: 2006
Trim Package: Limited
Power-Train: 5.7L V-8 Hemi
4WD
If 4WD - system: QD-II
Current Mileage: 175,000
Posts: 478
Garage
Quote:
Originally Posted by jamesd1628 View Post
Hello everyone, new to the forum. Hope everyone is well.

Just some info about me. My son recently turned 16 and got his DL, so we set about searching for a vehicle. Settled on a 2006 Commander (specifics in profile). He loves it (and so do I), and I've set about trying to familiarize myself with Jeep in general, and the Commander in particular. Came across this site and thought it would be good to join. Here some interesting things that we've experienced with the vehicle so far:

- We drove about 2 hours to buy the Commander. On the way home, with me driving, the Nav screen went on the fritz (uh oh). In fact, the NAV screen completely went out, and half the stereo stopped working. Found out through later research that this is fairly common.

- The following day, the vehicle threw an engine light (again, uh oh). Found a youtube video about how to pull the codes - i.e., turning the key from off to on in rapid succession a few times. That worked to get the codes AND - surprise, surprise - it also reset the NAV system/stereo - it came back on and has been working perfectly ever since. I suspect it will likely go out again, but who knows.

- Back to engine codes: we had two. One was for incorrect engine oil in the vehicle. I thus learned that 5w20 is REQUIRED for the HEMI and apparently the previous owner did not know this. We had the oil changed at our trusted mechanic and made sure they put in the correct oil. Second light is for o2 (P0430). Looks like we may have to replace the cat.

- Prior to buying, I noticed that some of the HEMI engines have had some kind of problem with dropping valve seats, or some such (I'm not a mechanic, and will not pretend to be one). One of the great selling points of this particular Commander is that the previous owner had all of the cylinder heads, valves, seats, etc., machined and redone about a year ago. Also head gaskets and timing chain. He had the paperwork for the job, and I figured that was a pretty good aspect of the vehicle.

- One other thing regarding the o2 - the mechanic said it might help to pour a couple bottles of ethyl alcohol into our gas tank. He said it might bring the cat back to life. Anyone have any thoughts on this?

Well, that's about it so far. Looking forward to getting involved.

James
Sounds like you got a pretty good Jeep, especially with the head work. The navigation system problems are fairly common, but you should check for leaks just in case there's something more serious going on.

The Jeep will occasionally throw incorrect engine oil errors; this can happen regardless of whether you've got 5W20 or not. My Jeep throws it every once in awhile, even though I use 5W20 and regularly change the oil with full synthetic. It's not something you should be overly concerned about; the sensor threshold is just too fine.

I doubt you'll have any luck reviving the cats; once they're gone, that's pretty much it. But you should check over the entire system before assuming the cat is done; there are a lot of causes for a P0430, including faulty O2 sensors, poor engine efficiency, etc. You especially don't want to replace a cat and have it immediately clog again because you have a leaky injector or bad spark plug.

2006 XK Limited, Hemi, QDII
245/70R17 General Grabber AT2s
Ported/Polished Throttle Body
Flowmaster Super 44
Stock Height Again (For Now)
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post #6 of 11 (permalink) Old 10-05-2018, 11:06 PM Thread Starter
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Join Date: Oct 2018
Location: Ringgold, GA
Own a Commander?: Yes
Model year: 2006
Trim Package: Limited
Power-Train: 5.7L V-8 Hemi
4WD
If 4WD - system: QD-II
Current Mileage: 165000
Posts: 11
Quote:
Originally Posted by consumedbywater View Post
Sounds like you got a pretty good Jeep, especially with the head work. The navigation system problems are fairly common, but you should check for leaks just in case there's something more serious going on.

The Jeep will occasionally throw incorrect engine oil errors; this can happen regardless of whether you've got 5W20 or not. My Jeep throws it every once in awhile, even though I use 5W20 and regularly change the oil with full synthetic. It's not something you should be overly concerned about; the sensor threshold is just too fine.

I doubt you'll have any luck reviving the cats; once they're gone, that's pretty much it. But you should check over the entire system before assuming the cat is done; there are a lot of causes for a P0430, including faulty O2 sensors, poor engine efficiency, etc. You especially don't want to replace a cat and have it immediately clog again because you have a leaky injector or bad spark plug.
Iíve been wondering about the cat. I drove the Commander for a while this evening. A couple of times, I noticed a fairly strong exhaust smell inside the truck. Would that more likely be caused by a leak in the exhaust or the cat? Or could it be either?

Thanks for the input, greatly appreciated.
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post #7 of 11 (permalink) Old 10-06-2018, 01:09 AM
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Join Date: Jun 2013
Location: California
Own a Commander?: Yes
Model year: 2006
Trim Package: Limited
Power-Train: 5.7L V-8 Hemi
4WD
If 4WD - system: QD-II
Current Mileage: 175,000
Posts: 478
Garage
Quote:
Originally Posted by jamesd1628 View Post
Iíve been wondering about the cat. I drove the Commander for a while this evening. A couple of times, I noticed a fairly strong exhaust smell inside the truck. Would that more likely be caused by a leak in the exhaust or the cat? Or could it be either?

Thanks for the input, greatly appreciated.
That sounds like an exhaust leak; even if the cats were clogged, the fumes would still need to exit through the tailpipe. An exhaust leak before the cats could also explain the codes you're getting.

2006 XK Limited, Hemi, QDII
245/70R17 General Grabber AT2s
Ported/Polished Throttle Body
Flowmaster Super 44
Stock Height Again (For Now)
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post #8 of 11 (permalink) Old 10-06-2018, 08:37 AM
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Join Date: May 2009
Location: Cleveland TN
Own a Commander?: Yes
Model year: 2006
Trim Package: Limited
Power-Train: 5.7L V-8 Hemi
4WD
If 4WD - system: QD-II
Current Mileage: 103,000
Posts: 617
Garage
Welcome almost neighbor. Another trick on the Commander is to remove the battery positive cable for about 5 minutes to reset everything. This will require you to set the Radio stations seat positions and clock and possibly others. But it causes the sensors to start fresh and "learn" what is going on.

06 Commander Limited Hemi - QDII,
Past -89 Comanche, 98 Grand Cherokee (2WD), 2000 Cherokee, 05 Grand Cherokee Limited 4.7
Had to replace the brakes - they opened more gas stations in town
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post #9 of 11 (permalink) Old 10-06-2018, 10:31 AM Thread Starter
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jamesd1628's Avatar
 
Join Date: Oct 2018
Location: Ringgold, GA
Own a Commander?: Yes
Model year: 2006
Trim Package: Limited
Power-Train: 5.7L V-8 Hemi
4WD
If 4WD - system: QD-II
Current Mileage: 165000
Posts: 11
Quote:
Originally Posted by rblapham View Post
Welcome almost neighbor. Another trick on the Commander is to remove the battery positive cable for about 5 minutes to reset everything. This will require you to set the Radio stations seat positions and clock and possibly others. But it causes the sensors to start fresh and "learn" what is going on.
Good advice, thank you. I will definitely give that a try.
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post #10 of 11 (permalink) Old 10-06-2018, 10:34 AM Thread Starter
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jamesd1628's Avatar
 
Join Date: Oct 2018
Location: Ringgold, GA
Own a Commander?: Yes
Model year: 2006
Trim Package: Limited
Power-Train: 5.7L V-8 Hemi
4WD
If 4WD - system: QD-II
Current Mileage: 165000
Posts: 11
Quote:
Originally Posted by consumedbywater View Post
That sounds like an exhaust leak; even if the cats were clogged, the fumes would still need to exit through the tailpipe. An exhaust leak before the cats could also explain the codes you're getting.
Thank you for the input. I will do a little digging on the forum to determine how to locate an exhaust leak.
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