SEGR time? P0101 and P0401 is it the MAF or EGR?

painemann · **Joined:** Sat Dec 20, 2008 7:02 pm **Posts:** 607

here are the cods I pulled,

P0101-MAF SENSOR SIGNAL NEGATIVE DEVIATION.
P0101-MAF SENSOR SIGNAL POSITIVE DEVIATION.
P0401-EGR SOLENOID CIRCUIT NEGATIVE DEVIATION.

Anyone else get these at the same time? If so what did you do about it? Thanks!!!

ribbon · **Posted:** Sat Jun 27, 2009 9:37 pm

i got P0101 and cleaned my maf with maf cleaner. Never came back.
Not sure about the other.

KJ 119 · **Posted:** Sun Jun 28, 2009 3:07 am

ribbon wrote:

i got P0101 and cleaned my maf with maf cleaner. Never came back.
Not sure about the other.

X2,that was before SEGR of course.

painemann · **Joined:** Sat Dec 20, 2008 7:02 pm **Posts:** 607

I cleaned the MAF it came back on, I could either replace the MAF or pull off the EGR, looks like a fun job!

I was hoping to hear from someone that might have seen the same thing.

Thanks.

painemann · **Joined:** Sat Dec 20, 2008 7:02 pm **Posts:** 607

So it is a good thing (disregaurding emissions) if the EGR is stuck closed because of a bad MAF? Do you think there is any chance of the egr being stuck open which is oviously a bad thing? I was going to get a new MAF sensor and see if that will fix my problem but ifit doesn't and I have a bad egr then I am out some big chash for this fix. I would rather invest my money in the SEGT kit seeing as I don't have to pass any tests. That would also be better for my rig, has anyone seen any downsides/sideeffects of the SEGR?

Thanks.

nix · **Posted:** Thu Jul 09, 2009 4:23 pm

I got those codes and it was my EGR. $750 later for EGR replacement.. it went away.. Then I got home and had a P0720 code appear. Turns out the dealer was tinkering around with my transmission w/o my knowledge and broke a sensor. Another $150 later and another day in the shop and I had her back. What a horrible experience. I'm going to get that Green tune to turn off that EGR.

nursecosmo · **Posted:** Thu Jul 09, 2009 6:17 pm

painemann wrote:

So it is a good thing (disregaurding emissions) if the EGR is stuck closed because of a bad MAF? Do you think there is any chance of the egr being stuck open which is oviously a bad thing? I was going to get a new MAF sensor and see if that will fix my problem but ifit doesn't and I have a bad egr then I am out some big chash for this fix. I would rather invest my money in the SEGT kit seeing as I don't have to pass any tests. That would also be better for my rig, has anyone seen any downsides/sideeffects of the SEGR?

Thanks.

The SEGR won't affect federal emmisions testing at all. As long as there is no CEL lit up, the CRD remains well within EPA requirements. Some states may have more stringent requirements than the federal ones, but which ones they are I don't know. If there are more stringent ones, I still doubt that the CRD would fail. Now if we were talking post 07 requirements, they may not pass the NOx restriction, but I still think that the VOCs would be well within specs.

Joe Romas · **Posted:** Thu Jul 09, 2009 8:12 pm

I had both the 101 and 401 codes at the same time.. They replaced the egr valve and FCV both under warranty. The FCV has stripped gears and was noisey. These codes came and went for several months before I took it in. MrMopar has said cleaning the egr valve after you take the electrical part off will/should fix it :wink:

They charged Chrysler $700 when they replaced them.

KJ 119 · **Posted:** Sun Jul 12, 2009 1:28 am

I just got a PO101 with SEGR. :?:

Hopeing it'll just go away again.

Drewd · **Joined:** Mon Feb 06, 2006 12:24 pm **Posts:** 902

Is the FCV called an FCV in the parts manual and/or does anybody who had it replaced have the part number for it? thanks!

CATCRD · **Posted:** Sun Jul 12, 2009 11:05 pm

Drewd wrote:

Is the FCV called an FCV in the parts manual and/or does anybody who had it replaced have the part number for it? thanks!

5142799AA

Probably called the Flow control valve or air flow control valve

SEGR time? P0101 and P0401 is it the MAF or EGR?

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