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I wouldn’t be surprised to find that egr has failed. Also, some of the egr work if they failed was replaced with original style if the new style wasn’t available

How many miles ago was it done? There’s one user who has had his truck go up in flames even with the new egr

The egr has a recall on it so if egr is bad and it ruined manifold then your covered

P04db was a code I got after I tuned transmission. 20 miles round trip is borderline what these trucks enjoy. They do much better on the highway. But I would venture to say your egr hs failed and ruined the intake.

Welcome! Sounds to me like you hve an intake problem but need a lot more info. How many miles are on it now and how many since you bought it? What’s your typical type of driving?

Welcome! I would look into Alfaobd. It’s not nessasarly something that gets installed, it’s something that can get turned on and off. My truck, 2014, didn’t have the option to enable or disable them. With alfaobd I was able to enable the option for them and determine if I wanted my fog lights...

Could be head gasket I suppose.

Sounds to me like water pump isn’t doing it’s job full time. You said you replaced the alternator in your other post, did you ensure your belt is routed correctly and your tensioner is keeping tension?

Sounds like the dealer didn’t want to do the work since parts didn’t come from them lol

I couldn’t remember, if I had my truck I would have given it a shot to confirm but she’s been at body shop for 4 months now.

Other than your recent highway usage, are you a stop and go short trip driver or do you have a decent commute to work? I’d get a scan tool reader and check to see what code your getting

Pretty sure my sofaking tune is 20 mph

I’d swing by auto zone and check the code out. Glad another va person Is here!

I’d assume 60-100 watts

Sounds to me like it’s the turbo relieving pressure as it’s designed

I use the app obd fusion, along with a wireless elm 327 adapter and I can see a lot of info.

I wonder if the line joints are failing, not giving the injector enough pressure to fully do its job... deff interesting it’s leaving spots under the truck. Times like this makes me wish everyone lived closer so we could team up and check out these issues and brainstorm.

They make a device to check the fluid to make sure it’s still good, but I wonder if your nozzle isn’t bad internally.

How old is your def fluid?

Advanced auto parts, auto zone, and napa to name a few have one you can stop in and use!