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Home › American Motors › 1980 › AMX Automatic Trans › Repair and Diagnosis › Engine Performance › Engine Control Systems › Computerized Emission Control (CEC) System › Diagnosis › Open Loop-3 Check

Open Loop-3 Check

  1. Turn engine "OFF". Have helper restart engine and idle below 800 RPM while observing metering pins.
  2. After initialization, metering pins should move fully toward front of vehicle and stop. If system works properly, continue with diagnostic checks. If not, perform Open Loop-3 Test sequence.
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