Road test the vehicle under high-load conditions (such as accelerating uphill) while monitoring live fuel pressure to ensure the code does not return. Summary of Parts and Costs
If you want me to help you find the for your specific Peugeot model (308, 3008, 5008), I can check that for you. Alternatively, I can provide the exact locations of the purge valve for different engine types if you share your engine model (e.g., 1.2 PureTech or 1.6 HDi). P306D-22 coherence problem - French Car Forum
Note: Costs at an independent specialist are generally lower than at an official Peugeot dealership. Part prices for PSA vehicles are generally reasonable.
Understanding what this code means and how to address it can save you significant time and potentially high repair costs at a dealership. What Does P306D Mean? p306d peugeot fixed
between the position of the motorized throttle housing (air mixer) and the inlet air pressure. This fault often triggers an engine management light (EML), "Limp Mode," or speed limiter failures. Common Fixes and Solutions
The diagnostic trouble code (specifically P306D-22 ) in Peugeot vehicles indicates a "coherence" or consistency issue between the electronic throttle housing position and the inlet air pressure .
Engine fault - Have your vehicle repaired: Peugeot / Citroën - klavkarr Road test the vehicle under high-load conditions (such
On vehicles like the Peugeot 508 SW GT, the EVAP solenoid valve is tucked away tightly beneath the air filter box assembly at the rear of the engine block, poking out slightly near the intake manifold on the gearbox side.
Replacing a faulty oil control valve is a relatively inexpensive and straightforward job that resolves this code in the majority of cases.
Carbon buildup on the throttle butterfly valve can cause position sensors to give "incoherent" readings. Cleaning the throttle body or checking the sensor for contamination is a standard first step. P306D-22 coherence problem - French Car Forum Note:
The P306D code is a manufacturer-specific trouble code used by Peugeot (and other Stellantis brands like Citroën and DS). This means its definition can vary between car brands, but for Peugeot vehicles, it is almost universally defined as: .
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
Use a Peugeot-specific tool like for deep diagnostics. Fault at Low Speeds Broken EVAP canister or solenoid Replace the purge valve located under the air box. Laggy Acceleration Dirty Throttle Body
[Scan Vehicle with Diagbox] ➔ [Inspect & Test EVAP Purge Valve] ➔ [Clean/Replace MAP Sensor] ➔ [Clean Throttle Body] Step 1: Perform a Dedicated Diagnostic Scan
Several factors can contribute to the P306D error code: