Operation CHARM
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Lincoln
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1991
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Mark VII V8-302 5.0L HO
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Repair and Diagnosis
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Powertrain Management
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Testing and Inspection
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Pinpoint Tests
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QA - No Codes/Codes Not Listed
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QA5 - Isolate Short to Harness or HEGO Sensor
QA5 - Isolate Short to Harness or HEGO Sensor
Pinpoint Test Schematic:
Pinpoint Test QA5:
