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How To: Check DPF Differential Pressure Switch


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Dear all,

I'm having some trouble with my 2007 Avensis 2.0 D4D's DPF and assume the differential pressure switch might Ben the troublemaker.

Could anyone provide data/ information how I can check it? Sensor part number is 89480-20030.

It should be a 3-pin with input voltage, ground and output voltage. Does anyone know the pressure range, the output should reach 0....'input voltage'. 

Many thanks,


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