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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1990
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Cougar/XR7 V6-232 3.8L
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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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Pinpoint Tests
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N - Ignition Diagnostic Monitor (IDM)
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N11 - N12
N11 - N12
Pinpoint Test N11 & N12 - Ignition Diagnostic Monitor (IDM):