Code : P14A3
Make : All makes
Description : P14A3 Pressure Of Diesel Particulate Filter Implausible To Atmospheric Pressure Or Boost Pressure
Possible causes :
– Faulty Boost Pressure Sensor
– Boost Pressure Sensor harness is open or shorted
– Boost Pressure Sensor circuit poor electrical connection
Solutions :
– Carry out a Reset via CarDiag
– Choose a better quality fuel
– Check that the tank cap is securely closed
– Check the oil level and add more if it is lower than MAX
– Restart an Automatic diagnostic via CarDiag
– If the fault persists, you can check the “Possible causes” listed above : visually inspect (by yourself (tutorials to come) or by a professional) the wiring harness and the associated connectors, check for damaged components, and look for broken, bent, pushed, or corroded connector pins.