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Home >> Audi >> 1996 >> A4 Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing >> Ignition System >> Ignition Coil >> Ignition Coil Secondary Resistance
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Ignition Coil Secondary Resistance

Disconnect spark plug wires from ignition coil being tested. Measure resistance between coil towers of ignition coil being tested. If resistance is 9000-14,000 ohms, coil secondary circuit is okay. If resistance is not 9000-14,000 ohms, replace coil.