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Ford
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2003
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Excursion 6.8 S, RWD
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - Self-Diagnostics Introduction - CNG, Flex-Fuel & Gasoline
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Self-Diagnostic System
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Reading Codes
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Notes
Reading Codes: Notes
NOTE:
If self-test will not activate or TOOL COMMUNICATION ERROR is received, go to
TEST QA
under SYSTEM TESTS.