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Home >> Mercury >> 2002 >> Villager Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> System Tests >> Test JB: Ignition Misfire Under Load >> Diagnostic Aids

Diagnostic Aids

Perform this test when instructed during SYMPTOM DIAGNOSIS. This test is intended to diagnose spark plugs and secondary ignition wires. The use of an engine analyzer is used to diagnose problems in secondary side of ignition system. Perform all PRELIMINARY INSPECTIONS  before proceeding to testing.

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