by Kyle Cooper | Sep 2, 2025 | Announcements, Diesel Repair, Product Tutorials and Software Updates
Important Update: Diesel Repair Subscriptions Are Changing Diesel Repair is evolving. On September 17th, we’re retiring the Free Plan and introducing new subscription options designed to give every user—from independent owner-operators to busy repair shops—access to...
by Kyle Cooper | Aug 1, 2025 | Diagnostic Guides and Troubleshooting, Diesel Repair, Maintenance Tips and Procedures
The Mack MP7 engine continued to power medium-duty and vocational trucks through 2016 with enhanced emissions technology and increased reliability. Whether you’re working on a Granite, Pinnacle, or another Mack platform, having quick access to fault codes can help...
by Kyle Cooper | Jul 22, 2025 | Diagnostic Guides and Troubleshooting, Diesel Repair, Maintenance Tips and Procedures
The Cummins L9 engine for 2024–2025 continues to be a top choice for heavy-duty trucks, buses, and vocational applications thanks to its balance of power, fuel efficiency, and durability. Keeping these engines running at their best means staying ahead of fault codes...
by Kyle Cooper | Jul 21, 2025 | Diagnostic Guides and Troubleshooting, Diesel Repair, Maintenance Tips and Procedures
The Cummins L9 engine has been a trusted workhorse for heavy-duty trucks and buses from 2021 through 2023. Known for its balance of power and fuel efficiency, this engine helps fleets stay on the road with less downtime. Keeping a clear fault code reference on hand...
by Kyle Cooper | Jul 19, 2025 | Diagnostic Guides and Troubleshooting, Diesel Repair, Maintenance Tips and Procedures
The Cummins L9 engine (2016–2020) continues to be a popular midrange diesel choice for medium- and heavy-duty trucks, buses, and construction equipment. Known for its reliability and fuel efficiency, the L9 relies on clear fault code diagnostics to keep downtime low...
