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Old 05-10-2011, 09:34 PM   #1  
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Default P1406


EGR pintle performance

can cause driveability, performance, mileage, and emissions issues.


  • Open EGR ignition filter circuit.
  • Excessive deposits on EGR valve pintle or seat.
  • Poor connection or damaged harness.
  • EGR Valve Icing.
  • Test for voltage at the EGR plug
  • Inspect and clean EGR pintle
  • Inspect EGR plug for damage or loose connection.
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