by Kyle Cooper | Aug 8, 2025 | Diagnostic Guides and Troubleshooting, Diesel Repair, Maintenance Tips and Procedures
The PACCAR PX7 engine continued to evolve in 2024 and 2025 with updates that improved fuel efficiency and onboard diagnostics. Whether you’re handling preventative maintenance or chasing a stubborn check engine light, this list gives you the fault codes you need to...
by Kyle Cooper | Aug 7, 2025 | Diagnostic Guides and Troubleshooting, Diesel Repair, Maintenance Tips and Procedures
The PACCAR PX7 engine saw further refinements in performance and emissions compliance from 2021 to 2023. Whether you’re working on routine maintenance or in-depth diagnostics, this fault code list will help you troubleshoot more efficiently. PACCAR PX7...
by Kyle Cooper | Aug 6, 2025 | Diagnostic Guides and Troubleshooting, Diesel Repair, Maintenance Tips and Procedures
The PACCAR PX7 engine from 2017 to 2020 continued to power medium-duty trucks with dependable performance and advanced emissions technology. This fault code list helps you quickly identify and address issues to minimize downtime. PACCAR PX7 (2017–2020) Engine Overview...
by Kyle Cooper | Aug 5, 2025 | Diagnostic Guides and Troubleshooting, Diesel Repair, Maintenance Tips and Procedures
The PACCAR PX7 engine continued to evolve between 2013 and 2016, offering improved emissions systems and durability in medium-duty applications. Whether you’re working on a Kenworth or Peterbilt truck, this guide gives you fast access to the most important fault...
by Kyle Cooper | Aug 4, 2025 | Diagnostic Guides and Troubleshooting, Diesel Repair, Maintenance Tips and Procedures
The PACCAR PX7 engine powered a wide range of medium-duty trucks in 2011 and 2012, offering efficient fuel usage and solid performance in both regional and vocational settings. If you’re servicing a Kenworth or Peterbilt with a PX7 engine, this list helps you...
by Kyle Cooper | Aug 2, 2025 | Diagnostic Guides and Troubleshooting, Diesel Repair, Maintenance Tips and Procedures
The Mack MP7 engine remained a popular choice in regional haul and vocational fleets through 2020, offering reliable performance and strong emissions compliance. If you’re working on a Mack Granite, Pinnacle, or similar truck, having fast access to fault codes...
