A: This is a known software bug. Update your ECU at a Peugeot dealer. The code often clears permanently after the update.
In modern automotive diagnostics, "P306D" often appears as part of a fault code, specifically . This code typically indicates a coherence problem between the electronic throttle position and the inlet air pressure. Peugeot 306 Sedan 1.9 D Specs, Performance, Comparisons p306d peugeot