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Home >> Mazda >> 1999 >> B2500 SX, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 4 (Engine Controls - Self-Diagnostics - EEC-V - 6.8L (99S E Series & 99S F350 To F550)) >> Self-Diagnostic System >> Reading Codes >> KOEO & KOER ON-DEMAND SELF-TEST DTCs

KOEO & KOER ON-DEMAND SELF-TEST DTCs

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Record DTCs in order received. These DTCs indicate current faults in system and should be serviced in order of appearance. Use DIAGNOSTIC TROUBLE CODE (DTC) DEFINITIONS  to identify appropriate system test to perform.

NOTE: If self-test will not activate or TOOL COMMUNICATION ERROR is received, go to TEST QA  under SYSTEM TESTS.