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Home >> Chevrolet >> 1988 >> Spectrum Express >> Repair and Diagnosis >> Engine Performance >> Ignition System - Electronic (Turbo) >> Testing >> Detonation Sensor
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Detonation Sensor

With ignition off, disconnect detonation sensor wiring. The sensor is located on the intake manifold side of the cylinder block. Check resistance between detonation sensor terminal and ground. Resistance should be 2550-3450 ohms. If not, replace sensor.