Test DF: Step 7

7) KOER Code 22: Check for EGR Related Codes  KOER Code 22 indicates MAP/BP signal is out of self-test range during KOER Self-Test. Check for Codes 31, 32, 33, 34 or 35. If codes are present, go to KOER CODE CHART and perform appropriate Pinpoint Test. If codes are not present, go to next step.