P306d | Peugeot Extra Quality

When driving a modern Peugeot, particularly models equipped with the 1.6 PureTech engine (such as the 508, 308, 3008, or 5008), the "Check Engine" light can be alarming. One specific, increasingly common diagnostic trouble code reported on these vehicles is (often listed with a suffix, e.g., P306D-22).

The throttle body is the component that controls the amount of air entering the engine. If it is dirty, sticking, or its electronic sensors are failing, it will send incorrect position data to the ECU. When the ECU's commanded position doesn't match the reported position, it can trigger the P306D code. p306d peugeot

: Tracks the exact angle of the internal butterfly valve. When driving a modern Peugeot, particularly models equipped