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Home >> Land Rover >> 2004 >> Discovery HSE >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Diagnostic Procedures >> Ignition Checks >> Spark
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Ignition Checks: Spark

Check for spark at each spark plug wire using a high output spark tester. Check suspect spark plug wires for fraying, chafing, deterioration and/or opens. Specific resistance for each wire is not available from manufacturer.