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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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Testing and Inspection
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Pinpoint Tests
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Pinpoint Tests
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STG - Switch to Ground
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STG1 - Check Switch Signal
STG1 - Check Switch Signal
*** UPDATED BY TSB# 91-14-B1 DATED 08-30-93
Pinpoint Test STG1:
