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Hi Everyone,

Is there a way dpf differential pressure sensor's pipes should be oriented. On the picture, right pipe is connected to botom part of DPF and left one is connected to top (closer to engine). Is that way they should be connected and does it make a difference if they are fitted in reverse?

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Thanks!
 

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Yes it will matter. Refit the same.

Engine ECU needs to know the pressure before and after DPF. If its reversed, it will show a warning light, or worse, fail to do a regen and block the DPF cos it thinks theres no pre-dpf pressure
 

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The white square on the sensor indicates the hose with the white stripe connector

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