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P1406

 

 
 
 
Old 05-10-2011, 10:34 PM
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Default P1406

P1406

Description
EGR pintle performance

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

Causes

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