To diagnose the P2452 Ford code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.
Set the transmission to Park (automatic) or Neutral (manual). Pop the hood open. Locate the DPFE sensor in your vehicle. Look for an aluminum or plastic rectangle with an electrical connector and two vacuum hoses that plug into the EGR's exhaust-to-intake pipe (see the photograph at the top of this post).
This process is called DPF regeneration or “regen” and typically occurs automatically every 250 to 500 miles. The ECM uses a differential pressure sensor (DPS) to measure the effectiveness and capacity of the DPF. Simply speaking, the DPS measures the difference in pressure before and after the DPF.
I would recommend all owners of a Ford car to install Forscan on their computers or download the app as it really gives you some tools for diagnosing/fixing problems yourself. 2. Added Wynn's DPF cleaner to fuel tank and took car for a run at high revs down the motorway. I recorded live DPF pressure sensor and it reached 40kPa at one point. Attach the hoses to the sensor as normal. Now remove the rubber vacuum hose from the top of the EGR valve diaphragm. With the truck running apply slight vacuum to the EGR valve and this will open the EGR valve. When the valve opens you will see the voltage on the top wire of the DPFE sensor change indicating flow. The best selling Exhaust pressure sensor replacement parts for FORD MONDEO are available for your in original quality from our DPF differential pressure sensor catagory. -22% Sensor, exhaust pressure 2986 posts · Joined 2003. #2 · Jan 9, 2023. My car did the exact same thing and the most likely problem is a blocked Fuel Vaporisor in the exhaust. This means the car cannot do a DPF regen and subsequently it fills up and eventually puts the car in to limp mode (That's when I stopped driving it and used the motorbike to commute). Pressure difference across the DPF went from 0.6 at idle revs to 0.1 using formula ((A*256)+B)/80 Soot load (FD94, thanks Pichacker) went from ~452 to ~150. That had been holding steady at ~452 for the last 100 miles. Saw the regen trial kick in, pressure difference went up by about double and the exhaust got quite throaty and rumbly. The 6.7 Powerstroke exhaust back pressure sensor is located on the driver’s side of the engine, behind the turbocharger. It is mounted in the exhaust manifold and measures the pressure in the exhaust system. If you have a 6.7 Powerstroke, then you know that the exhaust back pressure sensor is an important part of the truck’s emission system.
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    • ford mondeo dpf pressure sensor location