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1998 Toyota Camry

Question: p0401

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txsjunk, 2.2L 4 Cylinder, Mckinney, TX, August 12, 2011, 14:51

 Rookie

Have replaced egr,vsv,and vaccum modulator,have also replaced vaccum hoses,can drive approx 5-7 miles and will set code again. could I be having problem with pcm?

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• Answer #1

  chinasinoy August 13, 2011, 02:04
  

   Journeyman

  Check the voltage at the DPFE, compare to specified values (refer to a repair manual for your specific model)
  Replace the DPFE sensor (with a good quality / OEM one)
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