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Home >> Chevrolet >> 1992 >> Lumina Z34, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing - 2.5L/151 TBI In-Line 4 VIN [R] >> Ignition System Testing >> Spark Plug Wire Resistance Check
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Spark Plug Wire Resistance Check

Carefully remove spark plug wire from spark plug and distributor. Using an ohmmeter, check resistance while gently twisting wire. If resistance is too high, replace wire.

SPARK PLUG WIRE RESISTANCE SPECIFICATIONS

Wire Length Maximum Resistance
1-24" 30,000 Ohms
Over 24" 50,000 Ohms