Operation CHARM
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Ford
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1993
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Thunderbird V8-302 5.0L HO
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Repair and Diagnosis
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Powertrain Management
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Ignition System
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Testing and Inspection
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Pinpoint Tests
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Pinpoint Tests
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D - Intermittent Diagnosis
>>
D5 - Cold Wiggle Test
D5 - Cold Wiggle Test
^
Engine at idle. raise hood, shake wiring harness and pull wires at connectors for ignition components.
^
Does engine quit?
YES --
Service wiring harness or connector.
NO --
Go to D6.
D6 - Engine Warm-Up