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Old 08-20-2012, 01:24 PM
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* SOLVED * Rough Idle - 392- Thank you Afterhours Mopar

What's up all .. I dont post very often but I'm asking the community for some assistance ... The car is idling very rough, pratically stalling out.. Getting the following codes.. P0420, P0430, P0137, P2245, P0300.

First I wanted to thank Scott & Jon over @ Afterhours Mopar for helping me out in such short notice. You guys are great and your customer service is top notch. Second F**K YOU Arrigo Dodge WPB

PS- Your your new location in Pompano is awesome
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Old 08-20-2012, 06:51 PM
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You need to take it in to the dealership, especially if it's under warranty, and have them diagnose your catalytic converter O2 sensors.

Chances are, the ones you have, need to be replaced or wiring to them is damaged.


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Old 08-20-2012, 07:39 PM
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Originally Posted by rayzazoo View Post
You need to take it in to the dealership, especially if it's under warranty, and have them diagnose your catalytic converter O2 sensors.

Chances are, the ones you have, need to be replaced or wiring to them is damaged.


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Thanks Rayz.. I took it to the dealership and they told me since the car was "Modified" they couldn't do anything to it and basically had me go on my merry way. Turns out it was several issues .. driver O2 sensor was dirty,bad passenger O2 sensor and loose connection on my exhaust.
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Old 09-08-2012, 10:13 PM
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I've had the O2 sensors throw a code at least three times since I took delivery 19 months ago. The first time the diagnosis was bad fuel (from the factory). The car ran fine for a while and then continued to idle rough on cold starts and threw the O2 sensor code again. The sensors were replaced (below the cats) and still threw the code. The dealer has replaced the cats and it threw the code again within 200 miles. I happened to be driving to the dealer for a show the last time the MIL came on and even though it was late in the day I insisted that they take it in the shop and look at it. They are now treating it like it is a real problem and sent the entire service history to Engineering. I will take it back again soon and leave it so they can check it with a cold engine and hook up with Engineering while they look for the problem. The bad part is that I live 100 miles from the dealer so it's not a simple matter of dropping it off. While I'm glad to hear similar problems exist on other vehicles, I don't see that there is a fix for it yet. Hopefully they will find it on mine. I'll report back when I know more.
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Old 10-04-2012, 10:29 PM
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Well, the dealer kept the car for a couple of days and decided that they need to replace the exhaust manifolds. Of course, they didn't have the parts in stock so I took the car home for a week and today I took it back. They will install the new manifolds tomorrow and I'll get the car back on Saturday. I don't know how confident they are, but I'm not. So I'll report in again in about a week.
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Old 10-05-2012, 07:18 AM
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Originally Posted by Arizona Steve View Post
Well, the dealer kept the car for a couple of days and decided that they need to replace the exhaust manifolds. Of course, they didn't have the parts in stock so I took the car home for a week and today I took it back. They will install the new manifolds tomorrow and I'll get the car back on Saturday. I don't know how confident they are, but I'm not. So I'll report in again in about a week.

I fail to see how replacing the exhaust manifolds will help this??? Sounds like something is fouling up the 02 sensors....too much oil getting through and onto them or some really crappy gas not burning right, could be ignition related, coils not giving enough juice, would only take one!!

Hopefully I am wrong and replacing the exhaust manifolds will do the trick!
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Old 10-11-2012, 11:38 PM
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I had the exhaust manifolds replaced last Friday. Here is the report;

"P2098 Down Stream Fuel Trim system too lean. Contact ED Star Line and told them what was going on with the vehicle. They never heard about this before. They had me talk to Field Technical Services Group. After Talking to Field Technical Services Group they had me run a few more tests and found a pin hole leak at the left and right bank Exhaust manifolds."

"After running test and finding exhaust leaks at the exhaust manifolds, removed the bad manifolds and replaced the seals and installed updated exhaust manifolds. Reinstalled all removed parts. Ran test again and the leaks are gone. The vehicle is running good and the engine light is staying off."

The service advisor drove the car about 50 miles before turning the car back over to me. I drove it around town in Tucson that day, and then drove it home (about 100 miles). No check engine light. It's been in the garage since Sunday, and will be driven to a show on Saturday about 35 miles from here. While I'm still skeptical about the fix, we'll find out in the next few weeks if this was the fix. Stay tuned.
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