Up next World’s First Full-Manual Valvebody, Four-Speed 68RFE Published on February 06, 2023 Author Mike McGlothlin Tags ECM, epa, fifthgenram, Ram, Share article Facebook 0 Twitter 0 Mail 0 Don’t Get Locked Out! Don’t Get Locked Out! PSA: 2021 and older fifth-gen Ram owners, don’t let your dealer reflash your truck! Tuned fifth-gen trucks receiving factory ECM updates have reported being locked out, with no way back in. Unfortunately, this likely means that having the CP4.2 to CP3 high-pressure fuel pump recall performed on a ’19-’21 truck will mean it gets treated to the reflash. This comes on the heels of the EPA pushing OEM’s to lock down their ECM’s in order to keep aftermarket calibrators out. The best advice? Ask your dealer not to connect or reflash your ECM while in their care. There is no way back in if they update your truck’s engine control module—at least for now. Source: overland-industries.comSubscribe Our Weekly Newsletter Total 0 Shares Share 0 Tweet 0 Pin it 0 Share 0
Immaculate Cummins-Swapped 1972 K5 Blazer An Excellent Cummins Swap in a Vintage Classic We’ve all heard the expression that something is so clean you could “eat off it,” but it’s […] Jason Sands December 18, 2025 Chevy Cummins Diesel Engines FEATURES Vintage Diesels
When One CP3 Is Not Enough There comes a time in every modified common rail diesel’s life when the stock high-pressure pump can’t keep up with the fuel pressure needed from […] Jim Allen September 25, 2023 Cummins Diesel Tech / How-To Dodge Ford
P-Pump Cummins Project: Timing Makes Power 12 to 18 Degrees–How Much Time Will We Gain? We hear it all the time, timing makes power. But how much power? Well, there are […] Jason Sands May 12, 2020 Cummins Diesel Engines Diesel Tech / How-To
Boosting Power and Efficiency with These Products 01. Edge Products ’98.5-’02 Cummins Comp Box The Comp Box has dominated the 1998.5-2002 24V Cummins market for two decades and is what put Edge […] TUCKER HARRIS July 11, 2024 Cummins DEPARTMENTS Diesel Tech / How-To
![](https://ad.ipredictive.com/d/track/event?upid=111299&url="https://www.dieselworldmag.com"&cache_buster=1777629849&ps=1)