Operation CHARM
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Mercury Truck
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1995
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Villager V6-181 3.0L SOHC
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Testing and Inspection
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Scan Tool Testing and Procedures
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Diagnostics
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NGS Scan Tool Test Modes and Descriptions
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Key on Engine Running (KOER) Tests
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Ignition Timing Test
Ignition Timing Test
IGNITION TIMING
TEST - (KOER)
Description: NGS Tester sets timing to 15 degrees BTDC.
Results: NGS Tester prompts the technician to verify the timing value with a timing light.