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Home >> Mitsubishi >> 1996 >> Eclipse Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 2.0L Non-Turbo >> Circuit Tests >> DTC 155 - Upstream Ho2S Shorted To Ground

DTC 155 - Upstream Ho2S Shorted To Ground

NOTE: For component terminal identification, see TERMINAL IDENTIFICATION  in this article. For wiring diagrams, see WIRING DIAGRAMS  section.

Check wiring harness between PCM and upstream HO2S. If wiring is okay, replace PCM.

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