auto diagnostics software

The best way to Diagnose Spark Plug Wires 1Open the hood of one's auto and take away on the list of spark plug wires from the engine. Pull the spark plug wire off the engine by pulling up on it. auto diagnostics software

Then pull the other end in the spark plug wire off the distributor. Only get rid of and test a single spark plug wire at a time.2Set the dial on your voltmeter towards the "ohms" setting.3Place one of several leads from the voltmeter into one particular finish in the spark plug wire. Then location the other lead from the voltmeter into the other finish of the spark plug wire.

4Check the readout on the voltmeter display. The resistance, measured in ohms, should be zero. A .05 variance is acceptable, having said that. If the reading falls outdoors of this range car diagnostic tool, your spark plug wires should be changed.5Replace the spark plug wire and get rid of a different a single. Repeat Methods three and 4 till you've checked them all.

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