FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM
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Car repair manuals for everyone.
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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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STO - Self Test Output
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STO2 - STO Line Isolation
STO2 - STO Line Isolation
*** UPDATED BY TSB# 91-14-B1 DATED 08-30-93
Pinpoint Test STO2: