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Mercury
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1991
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Tracer L4-110 1.8L DOHC
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Repair and Diagnosis
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Powertrain Management
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Tune-up and Engine Performance Checks
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Ignition Timing
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Specifications
Ignition Timing: Specifications
Base Timing
10° (+/- 1°) BTDC
STI (TEN) terminal of diagnostic connector grounded