FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM
:
Car repair manuals for everyone.
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Mercury
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1993
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Cougar/XR7 V8-302 5.0L HO
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Repair and Diagnosis
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Powertrain Management
>>
Ignition System
>>
Testing and Inspection
>>
Component Tests and General Diagnostics
>>
Test 2 - Secondary Display
>>
Test Step 4
Test Step 4
Ignition Secondary Pattern:
^
Evenness of
spark plug
firing voltage: greater than 5KV.
^
Problems affecting some cylinders:
-
Wide
spark plug
gap(s) or worn electrode(s).
-
Improperly installed cap, adapter, or rotor.