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Home >> Porsche >> 1987 >> 928 Automatic >> Repair and Diagnosis >> Engine Performance >> Ignition System - BOSCH EZF >> Testing >> Ignition System Tests >> Poor Engine Performance

Poor Engine Performance

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Perform the following:

  1. GROUND POINTS & CONNECTOR/TERMINAL TEST 
  2. SPEED/REFERENCE MARK SENSOR TEST 
  3. LOAD SENSOR TEST 
  4. TEMPERATURE SENSOR I TEST 
  5. THROTTLE SWITCH - IDLE CONTACT TEST 
  6. THROTTLE SWITCH - FULL THROTTLE TEST 
  7. EZF IGNITION SYSTEM OUTPUT TESTS 
  8. OCTANE LOOP TEST 

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