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Home >> Audi >> 2002 >> S4 Avant Quattro, Standard >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Basic Diagnostic Procedures >> Ignition Systems >> Spark Test
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Spark Test

All engines are equipped with a single-coil system with individual coils mounted directly to spark plug connector for each cylinder. No spark testing procedure is available from manufacturer. If problem with ignition system is suspected, check for misfire Diagnostic Trouble Code (DTC) stored in ECM.

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