Clogged EGR cooler at 26,000 miles - Dodge Cummins Diesel Forum
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post #1 of 41 (permalink) Old 07-10-2019, 04:08 PM Thread Starter
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Clogged EGR cooler at 26,000 miles

Hi all,

I've owned a 2017 Ram 2500 for a little over a month now. It's thrown P2281 (leak between throttle body and MAF) a couple of times, usually after downshifting going up a hill, but I can clear the code and it doesn't come back for a while. No other symptoms of boost or power loss.

The other day while driving on the freeway the CEL came on (was on for an unknown amount of time) and I went to pass someone and had no power. Truck downshifted from 6th to 5th but wouldn't accelerate.

Pulled codes P2281 and P046c (P046c is an issue with the EGR valve).

Took it in to the dealer. They claimed they were only able to see P2218, though I told them I had pulled P2281 and P046c. They gave me a loaner truck (a 2019 Ram 1500 Tradesman, which is not nearly as bad as I thought it might be), and I went home. They called me the next day and said my truck has a clogged EGR cooler and they would be replacing it.

So ... a clogged EGR cooler at 26,000 miles. That doesn't bode well.

The truck does say it has 61 idle hours on it (out of a total of a little over 600 runtime hours). Is that abnormally high? I'm thinking I need to be careful about not idling it if I don't want the EGR cooler to clog up. Any advice?



Previous: '17 Ram 2500 Laramie QCLB | 6.7 | 4x4 | 68RFE | 24k (lemon, bought back)
'03 Ram 2500 SLT QCLB | 5.9 HO | 4x4 | NV5600 / NV271 | PacBrake | 210k
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post #2 of 41 (permalink) Old 07-10-2019, 06:59 PM
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10% idle time isn’t bad at all. If the egr cooler is truly clogged it’s got other problems.
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post #3 of 41 (permalink) Old 07-10-2019, 07:06 PM Thread Starter
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What other things could cause it? Poor fuel quality, I suppose. How do you tell if you're getting good fuel -- fill up only at high-volume stations?


Previous: '17 Ram 2500 Laramie QCLB | 6.7 | 4x4 | 68RFE | 24k (lemon, bought back)
'03 Ram 2500 SLT QCLB | 5.9 HO | 4x4 | NV5600 / NV271 | PacBrake | 210k
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post #4 of 41 (permalink) Old 07-10-2019, 07:30 PM
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If the previous owner used the truck just to pick up groceries, I wouldn't be surprised if it clogged. Clean her up and give her plenty of hot suppers and it should be fine.

The newer ISB usually uses EGR as a warmup method, avoid warming it up via idling. It's best to just get in and start driving gently for the the first minute or so, I'd give up to half throttle after that and won't be afraid of full throttle once it has over 140 degrees in. If the problem comes back within 50k miles or so and you consistently give it a hot supper, then I'd start looking and seeing if there's an issue elsewhere.

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post #5 of 41 (permalink) Old 07-10-2019, 07:49 PM Thread Starter
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Thanks for the tips, crazyrunner33.


Previous: '17 Ram 2500 Laramie QCLB | 6.7 | 4x4 | 68RFE | 24k (lemon, bought back)
'03 Ram 2500 SLT QCLB | 5.9 HO | 4x4 | NV5600 / NV271 | PacBrake | 210k
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post #6 of 41 (permalink) Old 07-10-2019, 09:45 PM
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It could be the EGR valve thatís bad. Like mentioned above of what actually clogged up the cooler. EGR valve was one of the root problems in the Ď07.5 - Ď12 with EGR cooler and DPF issues that gets sooted/clogged up.

As with any part and component on a truck, it can go bad at early mileage.

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post #7 of 41 (permalink) Old 07-11-2019, 11:26 AM Thread Starter
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Quote:
Originally Posted by firemansdiesel View Post
It could be the EGR valve thatís bad. Like mentioned above of what actually clogged up the cooler. EGR valve was one of the root problems in the Ď07.5 - Ď12 with EGR cooler and DPF issues that gets sooted/clogged up.

As with any part and component on a truck, it can go bad at early mileage.
I'll be sure to double-check with the dealership about that. Thanks.


Previous: '17 Ram 2500 Laramie QCLB | 6.7 | 4x4 | 68RFE | 24k (lemon, bought back)
'03 Ram 2500 SLT QCLB | 5.9 HO | 4x4 | NV5600 / NV271 | PacBrake | 210k
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post #8 of 41 (permalink) Old 07-18-2019, 08:52 PM
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Quote:
Originally Posted by crazyrunner33 View Post
If the previous owner used the truck just to pick up groceries, I wouldn't be surprised if it clogged. Clean her up and give her plenty of hot suppers and it should be fine.

The newer ISB usually uses EGR as a warmup method, avoid warming it up via idling. It's best to just get in and start driving gently for the the first minute or so, I'd give up to half throttle after that and won't be afraid of full throttle once it has over 140 degrees in. If the problem comes back within 50k miles or so and you consistently give it a hot supper, then I'd start looking and seeing if there's an issue elsewhere.
The purpose of the EGR is not to warm the engine faster, but is a result . All 6.7's and many other engines do the same.
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post #9 of 41 (permalink) Old 08-07-2019, 03:20 PM Thread Starter
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Hello again everyone,

Well, my nearest Dodge dealer (which is about 75 miles from me) replaced the EGR cooler. That didn't solve the problem; the truck has gone into low-power mode two more times since getting the EGR cooler replaced. Check engine light comes on and I have vastly decreased power -- the truck won't do more than 58 MPH on an uphill (it downshifts several times, but does not accelerate). It does this randomly and only for a while. Usually if I let it sit turned off for fifteen minutes or so and then restart it, the CEL will turn off and everything is back to normal.

I'm getting the same code as before, P2218, but I have not seen the P046c code since getting the EGR cooler replaced.

I took it back to CarMax this time, instead of directly to a Dodge dealer, since it is under CarMax's extended warranty in addition to still being under factory warranty. CarMax sent it over to a Dodge dealer in Albuquerque (which is owned by the same folks as the dealership which replaced the EGR cooler, but 25 miles away).

The latest word from the dealer was, "Well, it's driving fine and the check engine light isn't on, so there's not much we can do." At least I'm in a loaner vehicle.

The words "lemon law" have started whispering in my mind, especially since these dealers don't seem to know what the heck they're doing. Has anyone got any suggestions for anything more I could do? This doesn't seem like a very common problem, based on my Googling.

It sucks, since I spent a bunch of money on this truck because a) it was exactly what I wanted and b) I wanted to get reliability. So far I'm batting 0.500.


Previous: '17 Ram 2500 Laramie QCLB | 6.7 | 4x4 | 68RFE | 24k (lemon, bought back)
'03 Ram 2500 SLT QCLB | 5.9 HO | 4x4 | NV5600 / NV271 | PacBrake | 210k
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post #10 of 41 (permalink) Old 08-12-2019, 11:48 AM Thread Starter
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Seriously, nothing from anybody? Maybe I'm on the wrong site.

Save me from trading this thing in on a Tacoma, folks.


Previous: '17 Ram 2500 Laramie QCLB | 6.7 | 4x4 | 68RFE | 24k (lemon, bought back)
'03 Ram 2500 SLT QCLB | 5.9 HO | 4x4 | NV5600 / NV271 | PacBrake | 210k
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post #11 of 41 (permalink) Old 08-12-2019, 01:08 PM
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Unfortunately lemon law only usually applies to original owner.

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post #12 of 41 (permalink) Old 08-12-2019, 02:04 PM
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What exactly do you expect from us? It must still be under warranty. Tell car max to fix it. They sold it. How is up to them.
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