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2020+ ram 1500 ecodiesel

55k miles
Love my truck. Some small issues over the years but all recalls or warranty.
No exhaust issues - bone stock
City I average 19-21 depending on season.
Highway I can see 26-30 depending on the season and my right foot.
Looking at a GDE tune if I can find an ECU to clone
 
Currently at 78k miles on my '22 Rebel.

Biggest issue was a dead glow plug @65k. No other motor related issues. Change oil at 7000 miles. Run 1/2 bottle of Hotshots Diesel Extreme each oil change.

HP Fuel Pump taken care of during Recall.

24-26 mpg on the freeway at 68 mph.

Also have a '15 Big Horn ED with 173k and still going.
 
2021 Rebel with Gen3 eco.

I have 84k miles on mine and just got the p200b code showing up. Other wise motor has been trouble free.

On the other hand, its having electric issues. I have lost my multi tailgate as its not openning, steering wheell left hand switch not working along the rear switchs also on steering wheel, ABS not working, wireless charger not working and the rear seats warmers not working.
 
So far so good here.
91K miles, only issues were a dead glow plug and plug module around ~60K, dealer covered plug, I paid for the module :(. And another at ~85K, I swapped that one myself to avoid the trip to the dealer.
HPFP replaced with with updated unit by the dealer in spring of 2024.
No soot issues yet, but running GDE ECU so that cleans most of the EGR gas before it re enters the engine and will hopefully slow down or prevent some issues.
I see 23-25 MPG mixed driving in the summer, 21-23 in the winter, and about 25-27 when on road trips
Speedo has been recalibrated but keep in mind, it's a heavy truck running larger than stock tires.
 
55k miles
Love my truck. Some small issues over the years but all recalls or warranty.
No exhaust issues - bone stock
City I average 19-21 depending on season.
Highway I can see 26-30 depending on the season and my right foot.
Looking at a GDE tune if I can find an ECU to clone
I would say don't bother, because you can revert from tuned to stock with just your phone now. They use the PowerGate4 app to install the tune and it stays on your phone. You also get the security bypass cable, which you'll need, but otherwise no need for a separate PCM to physically swap. Just tap a few buttons on your phone, wait a few minutes, and you're back to stock if you should need to visit a dealer for service/warranty/recalls.
 
2021, 103,000 miles, completely stock. Had a glow plug replaced under warranty and had a P00AF code popup and clear itself once.

It's been a great truck!
 
2021, 22,245 miles. So far, so good for me. Only trips to the dealership were for recalls and oil changes. I did a 10,000+ mile trip over the summer (July-September) and averaged over 30mpg. I still can't believe the great fuel mileage I am getting with this truck. I bought it new in 11/21 and still love it. Only mods are the RamBar (dealership installed this before they put it on the lot for sale) and Peragon bed cover (installed by me for the trip I previously mentioned, and it was the only one I found that would work with the RamBar).
 
For those of you that did the GDE tune, did you see the 7-10% increase in mpg advertised? Overall happy with the tune? Purchased my tune for my '22 in December when he was having a sale, but I haven't got a chance to send it off to be programmed yet. Would like to see some increase in fuel efficiency when I do and really hoping the trans tune helps with passing at higher speeds (50+).

I picked up a 22 Limited back in October with 13k on it and have put a little over 7k on it since then and have no complaints, other than missing some pickup in those higher gears and speeds. Come from a 19 Limited with the hemi and definitely love the fuel economy compared to that one, I was lucky to sniff 16mpg on a long trip.
 
I'm at 24,500 on my 2021 and I've had the recalls and the TSB for the brake moan when backing. The only repair was a blown boost pipe (I may be misremembering the proper name for the part) that was somehow not under the powertrain warranty.

It has two primary uses: trips to the coast (300 miles each way) and towing our 25' travel trailer (usually 1-2 hours away, but often in east coast mountains. I'm not sure I can give an accurate overall MPG, but on the long trips, it's usually 27-29 (mostly interstate, keeping up with traffic which can mean 75 at times.) On the towing trips, I wouldn't swear to it, but I feel like I'm getting 16-18mpg, though I keep it at 60-65 on the interstate. I really need to keep a log of fuel used on the towing trips.
 
I would say don't bother, because you can revert from tuned to stock with just your phone now. They use the PowerGate4 app to install the tune and it stays on your phone. You also get the security bypass cable, which you'll need, but otherwise no need for a separate PCM to physically swap. Just tap a few buttons on your phone, wait a few minutes, and you're back to stock if you should need to visit a dealer for service/warranty/recalls.
I didn’t even know that. Great to know!!!
 
I would say don't bother, because you can revert from tuned to stock with just your phone now. They use the PowerGate4 app to install the tune and it stays on your phone. You also get the security bypass cable, which you'll need, but otherwise no need for a separate PCM to physically swap. Just tap a few buttons on your phone, wait a few minutes, and you're back to stock if you should need to visit a dealer for service/warranty/recalls.

I didn’t even know that. Great to know!!!
If powertrain warranty is a concern for you, Ram will still be able to tell that the ECU has been tuned even if you return it back to stock.
 
For those of you that did the GDE tune, did you see the 7-10% increase in mpg advertised?
I can’t say that I’ve definitely seen that much increase. Based on my driving habits I’ve seen less than advertised increase, maybe just 3-5% but still noticeable at the pump.

As far as the passing power goes it is absolutely a night and day difference. The engine has much more usable power. Torque comes on sooner and lasts higher into the RPM range. Combined with the transmission tuning, the Truck shifts crisper and at better times. When you put your foot down it will actually drop a gear or two (comfortably) and give you the beans instead of just lugging in 7th or 8th gear. It even does a better job maintaining speed and gears when using cruise control. No more jerky downshifts the second the front wheels touch an incline.

If the fuel economy was exactly the same I would still buy the tune again just for the performance increase. I’m sure you will be happy with your purchase!
 
Does a code come up for a dead glow plug? How did you know? Truck didnt get warm when plugged in
 
Does a code come up for a dead glow plug? How did you know? Truck didnt get warm when plugged in
It'll drop a code, usually P0671- P0676 to indicate which cylinder is faulting. As well when you first startup in the cold the little "Coil/Glow Plug" light will flash for the first 10 seconds of running. you can hear the truck misfiring just a hair too for the first 20 or so seconds of running as the other cylinders are warmer and burning their fuel better. I don't always use my block heater, where I live doesn't stay cold enough to warrant plugging it in every night. I'd say I probably only plug it in 50% of the time in the winter.
 
Coming up on 127k. Just now having some issues, I’ll be replacing intake manifold for stuck swirl valves. Other than that it’s been solid and any issue I was starting to have was addressed with a recall. Stock, no fuel additives. I have a diet ready to go, just need to install it. Maybe come spring I’ll get it going.
 
28kmi, mostly freeway driving, 25-26mpg. HPFP replacement and smog software update. No other visits to dealer. Love this truck, quietest and most fuel efficient vehicle I've ever owned.
 
For those of you that did the GDE tune, did you see the 7-10% increase in mpg advertised? Overall happy with the tune? Purchased my tune for my '22 in December when he was having a sale, but I haven't got a chance to send it off to be programmed yet. Would like to see some increase in fuel efficiency when I do and really hoping the trans tune helps with passing at higher speeds (50+).

I picked up a 22 Limited back in October with 13k on it and have put a little over 7k on it since then and have no complaints, other than missing some pickup in those higher gears and speeds. Come from a 19 Limited with the hemi and definitely love the fuel economy compared to that one, I was lucky to sniff 16mpg on a long trip.
With the onset of winter and winterized fuel, I haven't noticed an improvement in fuel economy. I'll be able to provide more useful comparison data once we're back to normal D2 and ambient temps.

As for the drive experience, it is night and day. You could almost say it's like gaining 2 more cylinders, it's that noticeable. The shifting is vastly improved so it gets thru the gears quicker and a bit more firmly, which means you're picking up speed quickly. Passing or overtaking on the interstate is a breeze, just watch how deep your right foot gets into it, or you'll be in triple digits before you realize it.

Suffice to say that even without a fuel economy boost, the power and drivability are sooooo much improved over stock that you'll wonder why didn't RAM tune it this way to begin with (hint: would've resulted in less HEMI sales). On the open road, fully loaded with doggo in back seat, I still see 30+ mpgs if I keep an eye on my speed. In short, there is no downside and I should've done it sooner. It keeps your DPF cleaner longer, it lets you know when an active regen is occurring so you can keep driving it, there's very little EGR being pumped back into the intake and it's only post-DPF exhuast gas which means it's much much cleaner, so your oil will stay cleaner with much less soot being ingested. These are all bonuses for longevity.
 

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