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Home >> Mazda >> 1998 >> 626 ES, Automatic >> Repair and Diagnosis >> Brakes >> Anti-Lock Brake System - Traction Control (2.5L) >> Diagnostic Trouble Code (DTC) Testing >> DTC U2021: Engine Control System

DTC U2021: Engine Control System

Perform engine on-board diagnostic inspection. See TESTS W/CODES article in ENGINE PERFORMANCE section. Repair as necessary.

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