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EGR Monitor Codes

NOTE: Do not turn ignition switch off.
NOTE: When negative battery cable is disconnected, all readiness codes are cleared.
  1. Connect scan tool to DLC. See Figure .
  2. Start engine and hold at 3000 RPM with no load until radiator fan comes on.
  3. With A/T in "D5" position, M/T in 5th gear, drive at steady speed between 50 and 62 MPH for more than 10 seconds.
  4. With A/T in "D5" position, M/T in 5th gear, 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.