@Double R Diesel?
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@Double R Diesel?
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Never investigated but this could be the case. If so, it's just a firmware glitch. Great observation though.
Ray
Double R Diesel, LLC
www.doublerdiesel.com
info@doublerdiesel.com
Once again Ray is the answer man
2012 Cummins Ram 6.7L MM3 tuner full 5" Flo Pro TBE Exhaust LWBCC 4x4 Mag Hytec Double Deep Transmission Pan , Mag Hytec Rear Diff Cover
Airlift part # 57595 7500lbs airbags ,Nitto Ridge Grapplers 35/12.50/20 on XD 829 Big Hoss ll Satin Black Machined Dark Tint 20 x 9 with + 18 offset rims,MM3 Tuner With full Custom Tunes by Ray at DRD , Autometer A13117 Pillar Pod , Edge 98004 mount adapter , Mag Hytec front diff cover, SuperNova V4 LED Headlight Bulbs
So the best time to switch RTs is at idle with little to no boost so it'll be closest to accurate?
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Anyone with pillar gauges that can confirm it's a Raceme gauge issue?
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I have one and I'll try it out tomorrow.
*edit-I read that wrong...I do not have a separate boost gauge.
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My Ultra has done it with WARP in 12v tuning on the device. Not switching while driving. It's happened with the RT being the set tune. And it will read negative boost pulling to a dead stop -15 to -20 pounds
My pillar just shows no boost or slightly off the stop under 1 pound at a stop
Haven't really watched in other tunes. Was wondering why months ago but no issues with the engine so figured it was just a glitch
Bringing this back to the top. Let me start by saying the truck is running great. Like others, I am thinking this is a MM3 issue because I never saw a negative reading with my Edge CTS.
I recently installed my MM3 and notice now that my boost reading is often below zero at idle. It didn't start doing this until a couple days ago when I switched to a RT tune at a stoplight and had to go before it finished loading.Now it is doing it with the base tune every time I start the truck. Has anyone found a solution to this? My next step is going to be unplugging from the ODB port to try and reset the monitor.
Greg
2019 | RAM 2500 | CCSB | 6.4 HEMI
It's a MM3/Ultra glitch, the boost gauge zeros out during the RT process. I now have an analog boost gauge and tested it out. Loaded a tune while stopped, but took off prior to it completed loading. Had a -8 boost reading on my ultra, when I came to a stop, but the analog showed positive boost as I drove on down the road.
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If you mess around with different things you'll see quite a few read negative. Even under load, city driving and highway. Different year trucks may be different along with who did the tuning
Example would be timing
There's no way that timing would be -3 to -6 with throttle @ 35-40% speeding up going through gears
And sitting @ -1 or so idling
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