7/12/2023 0 Comments 1979 ford engine codesIAT indicated 123 C (254 F) I circuit grounded. IAT Indicated -4000 (-40"F) /circuit open.ĮCT Indicated 123 C (254 F) / circuit grounded. Secondary Air Injection not bypassed during Self-Test.ĮCT Indicated -40 C (-40 F) /circuit open. Secondary Air Injection upstream during Self-Test. Secondary Air Injection system Inoperative (right side). HO2S circuit indicates system rich (right HO2S). HO2S circuit indicates system lean (right HO2S). Insufficient input from the Vehicle Speed Sensor (VSS). ![]() IDM circuit failure/ SPOUT circuit grounded.ĮCT out of Self-Test range MAP/BARO out of Self-Test range. Data Link Connector (DLC)(Located Under hood)Īnalog Voltmeter Connection Ford Codes 11Ĭannot control rpm during KOER Sell-Test high rpm check.Ĭannot control rpm during KOER Self-Test low rpm check.
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