Vehicle Repair
2 articles
Automotive Services
How Do Modern Vehicle Diagnostic Systems Work? A Troubleshooting Guide
An error code like P20EE can help mechanics quickly identify a specific engine problem, such as a nitrogen oxide (NOx) sensor issue, and expedite repairs, transforming hours of manual troubleshooting
Luis Ortega·May 20, 2026
Automotive Services
What Are Transmission Fluids? Types, Functions, and Maintenance
A single quart of the wrong transmission fluid can instantly seize an automatic gearbox, turning a minor maintenance task into a multi-thousand-dollar repair.
Luis Ortega·May 19, 2026