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  #121  
Old 08-22-2014, 01:47 PM
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Re: Incorrect DEF - See dealer

Bought 3 gallons of Chrysler DEF yesterday with the hopes of getting the back within the allowable threshold with no avail. Was rapidly deteriorating the 200 mile limit until the vehicle wouldn't start. Took it into the dealer this morning. They said Chrysler suggested siphoning out the tank, drive it. If the Incorrect DEF exception goes away, add DEF to fill half the tank, rinse and repeat until the tank is full. Finger crossed.

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  #122  
Old 08-24-2014, 12:47 PM
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Cool Re: Incorrect DEF - See dealer

Yes, they did apply the latest update. They did nothing for the DEF message though. I am down to 85 miles before engine will not restart. One round trip to work is 44 miles. I have seen where the system has to cycle, however, if it hasn't after 1 trip to work and back; I'll have to take it back to the dealer. This vehicle is 9 months old and it has been back to the dealer at least 12 times already.
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  #123  
Old 08-24-2014, 01:12 PM
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Re: Incorrect DEF - See dealer

I added 5 gallons of DEF and my gauge is still below 1/4 tank. Was there a fix for that? I filled it a few times before and it worked as expected.
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  #124  
Old 08-25-2014, 08:15 PM
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Re: Incorrect DEF - See dealer

I'm going to mention this to the service department

I've had it in 5 times for code P20EE and been torn apart and keeps coming back.


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  #125  
Old 08-25-2014, 08:21 PM
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Re: Incorrect DEF - See dealer

Quote:
Originally Posted by gieseja View Post
I added 5 gallons of DEF and my gauge is still below 1/4 tank. Was there a fix for that? I filled it a few times before and it worked as expected.
Mine has been a little inconsistent (20% then 30% then 20%..) but does go up after I add a gallon. What has happened given a little time?
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  #126  
Old 08-26-2014, 07:37 AM
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Re: Incorrect DEF - See dealer

Quote:
Originally Posted by ExcursionDiesel View Post
Update: After a marathon 48 days in the shop,
.

I certainly hope they paid a month and a half of your car note! 48 days is unacceptable. You sir have amazing patience.


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  #127  
Old 08-26-2014, 11:41 AM
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Re: Incorrect DEF - See dealer

My Jeep is in again for repair. When I picked it up Saturday, it only had 98 miles until no restart. It was down to 30 miles until no restart when I took it back in. I wonder if these people really know what they are doing??? Why would they even give back with the infamous DEF message???

My DEF level shows almost 1/2 full at over 8K miles. I know it wasn't quite full when I bought it. Wonder if the DEF gauge is screwed up. OH well, maybe I'll get lucky this time. I will keep busy perusing the Lemon laws here in Texas.
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  #128  
Old 08-26-2014, 02:58 PM
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Re: Incorrect DEF - See dealer

Quote:
Originally Posted by WoeIsMe View Post
My Jeep is in again for repair. When I picked it up Saturday, it only had 98 miles until no restart. It was down to 30 miles until no restart when I took it back in. I wonder if these people really know what they are doing??? Why would they even give back with the infamous DEF message???

My DEF level shows almost 1/2 full at over 8K miles. I know it wasn't quite full when I bought it. Wonder if the DEF gauge is screwed up. OH well, maybe I'll get lucky this time. I will keep busy perusing the Lemon laws here in Texas.
No...they don't know what they are doing. That's the problem. Chrysler doesn't have a team dedicated to assisting on this issue and dealer techs are struggling to fix the issue. After a tech has had some experience with the DEF system, it may be easier for them to diagnose.

Here are the components and problems as I understand:
1. DEF tank - contamination, bad DEF, clogged outfeed
2. DEF pump - failed or low pressure
3. DEF line to injector - kinked or damaged, clogged
4. DEF injector - failed, clogged
5. Catalytic Converter - ?
6. NOx sensor - failed, improper reading

I believe there is no clear published diagnostic procedure for troubleshooting so the techs are guessing. Honestly, its not that complicated. Its a closed loop system. Some simple test can isolagte the issue to one of the above components.
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  #129  
Old 08-26-2014, 03:17 PM
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Re: Incorrect DEF - See dealer

Quote:
Originally Posted by ExcursionDiesel View Post
Here are the components and problems as I understand:
1. DEF tank - contamination, bad DEF, clogged outfeed
2. DEF pump - failed or low pressure
3. DEF line to injector - kinked or damaged, clogged
4. DEF injector - failed, clogged
5. Catalytic Converter - ?
6. NOx sensor - failed, improper reading
OK. I'm diagnosed! #2 and #4 are my issues.

The service manage just showed me my DEF Injector and it was 100% plugged (packed full) with DEF crystals that looked like powdered laundry detergent that got moist and caked up and then dried hard. My theory was correct that the DEF pump failed and the low DEF flow allowed the injector to get caked and plugged up with DEF crystals. It is possible that the injector plugged first and killed the pump...either way, the issue has been found! DEF dissolves the crystals in a functioning system. If it ever fails to flow under pressure, the injector may get plugged.

My dealer actually has a new injector in stock and I already got a new pump so I'll be fixed soon. I suspect they could have soaked the old injector in DEF or water and it would clean up. I want to know if its easy to remove in case it happens again, so I can pull it off and wash it out myself.
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  #130  
Old 08-26-2014, 04:15 PM
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Re: Incorrect DEF - See dealer

Plugged DEF Injector which causes the P20EE code.
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  #131  
Old 08-26-2014, 05:44 PM
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Re: Incorrect DEF - See dealer

That's some serious blockage. I hope that it was a failed pump or injector or something that triggered the issue and not something that will "just happen" every 20K.
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  #132  
Old 08-26-2014, 05:54 PM
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Re: Incorrect DEF - See dealer

Quote:
Originally Posted by ExcursionDiesel View Post
Plugged DEF Injector which causes the P20EE code.
OMG - you can go rock climbing on this!

Did you ever find out how easy it is to remove the injector from the exhaust DEF chamber section? Is it just loosening the hex bolt holding the ring around the injector?
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