Pressure sensors

Pressure sensors for Blue Print

Published:  12 February, 2015

A blocked DPF is often down to failed active or passive regenerations due to driving conditions and can also be down to other component failure such as the EGR system. Pressure sensors detect a filter that is beginning to get clogged up when it is about 45% blocked and the vehicle will then attempt an active regeneration to burn off the soot. It needs to be driven at a constant throttle for several minutes to achieve this, if a vehicle only ever doers short, town commutes then this process is never completed. If it gets to 75% blocked the DPF warning light will come on and the vehicle may go into 'limp home' mode - it may be possible to do a forced regeneration using a diagnostic tool such as Blue Print's G-Scan. If the light is ignored, the filter will completely block and will need to be replaced. Blue Print's range of DPFs include 31 part numbers for 44 applications.

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