The fault code on Peugeot vehicles, often appearing as P306D-22 , indicates a "coherence" or consistency issue between the motorized throttle housing (air mixer) position and the inlet air pressure . Essentially, the engine control unit (ECU) detects that the air pressure in the intake manifold does not match the expected values based on where the throttle plate is positioned. Common Symptoms
| Model | Engine | Susceptibility | Common Mileage | | :--- | :--- | :--- | :--- | | | DV6TED4 (90hp/110hp) | Very High | 70k – 120k miles | | Peugeot 307 1.6 HDi | DV6TED4 | High | 80k – 150k miles | | Peugeot 308 1.6 HDi (Phase 1) | DV6C (110hp/112hp) | Extremely High | 60k – 100k miles | | Peugeot 3008 1.6 HDi | DV6C | High | 70k – 130k miles | | Peugeot Partner / Bipper 1.6 HDi | DV6B | Medium | 100k+ miles (often EGR related) | p306d peugeot
The injector on cylinder 4 is drifting.
to see if the air pressure fluctuates abnormally while the car is idling or under load. Many community members on the French Car Forum The fault code on Peugeot vehicles, often appearing
Before you even plug in an OBD-II scanner, your Peugeot will likely exhibit noticeable signs that something is wrong. If you have a P306D code stored, you may experience the following: to see if the air pressure fluctuates abnormally