The Duratec is misbehaving
The Duratec engine in my Caterham shows an ugly hunting idle when warmed up. To be investigated and fixed since very annoying…
Caterham Duratec 2.0 EGR absent
The Duratec 2.0 HE aka Mazda L-Series engine is designed to feature an EGR (Exhaust Gas Recirculation) valve to recirculate the engine’s exhaust gas partly back to the intake port reducing emissions. The valve is electronically controlled by the ECU