P0400 relates to the exhaust gas recirculation (EGR) system, which recirculates exhaust gases to lower combustion temperatures and reduce nitrogen oxide emissions. A fault here means the flow is too ...

Your car’s EGR valve plays a huge role in reducing harmful emissions, but when it fails, it can cause rough idling, poor acceleration, and higher fuel consumption. Understanding how it works and ...

Explore the top 12 building products for April 2026—from digital access control systems to acoustic ceiling solutions—curated by BD+C editors for AEC professionals.

The 2026 ES 350h is the first Lexus model to adopt the brand's sixth-generation hybrid system. Compared to the 2025 ES 300h, ...