Essentially, the Engine Control Unit (ECU) is receiving data from the throttle sensor that doesn't match the pressure readings from the intake manifold. This "mismatch" triggers the warning because the car can no longer accurately calculate the correct air-fuel mixture for efficient combustion. Common Symptoms
Result: I replaced the damaged cluster connector and repaired the wire. Resealed with grease. p306d peugeot fixed
The Peugeot fault code (often appearing as P306D-22 ) typically indicates a "coherence" or consistency issue between the electronic throttle housing position and the inlet air pressure . Diagnostic Summary: Peugeot Fault Code P306D Essentially, the Engine Control Unit (ECU) is receiving
: This is a frequent culprit. Owners have reported success by replacing the solenoid valve (often part number V759557380 ) located beneath the air filter box. Check the Throttle Body Resealed with grease
Owner filled with “cheap AdBlue” from a gas station. P306D appeared after 50 miles. Following the drain and refill procedure with Mannol AdBlue and a Diagbox reset, the code cleared permanently.