P2452 Diesel Particulate Filter Pressure Sensor A Circuit - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 3 (permalink) Old 06-03-2011, 03:12 PM Thread Starter
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P2452 Diesel Particulate Filter Pressure Sensor A Circuit

Anybody have this issue? If so how do you fix it?
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post #2 of 3 (permalink) Old 06-06-2011, 11:37 PM
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P2452 - Diesel Particulate Filter Pressure Sensor A Circuit

Description: The powertrain control module (PCM) monitors the rationality of the diesel particulate filter pressure sensor during idle and part load operating conditions. The test fails when the diesel particulate filter pressure sensor signal value at idle is less than 0.15 kPa (0.022 psi). The test also fails when the diesel particulate filter pressure sensor signal value at part load is less than a minimum value or greater than a maximum value. These minimum and maximum values are based on the volume of exhaust.

Possible Causes: Diesel particulate filter pressure sensor connecting hose is loose, cracked, or missing
Diesel particulate filter pressure sensor connecting hose port is cracked or broken
Excessive amount of soot or ash in the diesel particulate filter
Damaged diesel particulate filter pressure sensor
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post #3 of 3 (permalink) Old 06-14-2011, 04:34 AM
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could be a bad sensor.

08 F250 Ext. Cab LWB 4x4.
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