FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM
:
Car repair manuals for everyone.
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Mercury
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1994
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Cougar/XR7 V8-281 4.6L 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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Pinpoint Tests
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Z - Intermittent
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Z171
Z171
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Start and run engine.
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Observe the BASE TIMING LED.
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Is the BASE TIMING LED on continuously without any fault memory LEDs on?
Yes --
REPLACE ICM.
No --
GO to
Z172.
Z172