P2452 DPF differentail pressure sensor circuit fault how do i rectify

Question

please how do i rectify the fault on my car any ideas

Answer 1

Hi there

Normally this code appears when the sensor itself has a problem. Also check the tubes for the sensor to make sure they aren't blocked up with any carbon. Sometimes you can tap the sensor in your hand and if water comes out of it, you know it needs to be replaced.