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Home >> Ford >> 1993 >> Bronco 5.8 H >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 5.8L >> Quick Test >> Continuous Monitor Mode (Wiggle Test) >> KOER Wiggle Test

KOER Wiggle Test

  1. Turn ignition off. Connect test equipment. Start engine. Activate self-test using jumper lead or diagnostic tester. Wait 10 seconds, and then deactivate and reactivate self-test. DO NOT turn engine off. KOER wiggle test mode is now activated.
  2. Tap, move and wiggle suspect sensor and/or harness area. If a fault is detected, scan tester should indicate a tone or light and VOM will perform needle sweep and/or MIL will come on. A service code may be stored in continuous memory. Retrieve code, and perform appropriate test. See SERVICE CODE REFERENCE CHARTS  .
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