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EGR Monitor Codes

NOTE:
  • Do not turn ignition switch off.
  • When negative battery cable is disconnected, all readiness codes are cleared.
  1. Connect scan tool to DLC. See Figure or Figure .
  2. Start engine and hold at 3000 RPM with no load until radiator fan comes on.
  3. With transmission in "D5" position, drive at steady speed between 50 and 62 MPH for more than 10 seconds.
  4. With transmission in "D5" position, decelerate from 62 MPH (with throttle completely closed) for at least 5 seconds. If engine stalls, go back to step  3 and repeat procedure.
  5. Check for readiness codes with scan tool.
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