Thread: Re fuel rail pressue sensor
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Old Oct 24, 2013 | 10:19 AM
  #3  
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Churtz
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Joined: Jan 2010
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From: Southend, Essex
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P0193 is pressure to high. Check the VREF wire for the rail pressure sensor for voltage and see what's its sending back. If above 4.5v constant I would suspect the sensor is at fault. Ideally check the fuel pressure manually to confirm

Matt
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