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Home >> Ford >> 1991 >> Aerostar Van Window, 3.0 U, Automatic >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Basic Testing >> Electronic DISTRIBUTORLESS Ignition System (EDIS) 4.0L Engine >> Test 1, Check ECA For Fault Codes
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Test 1, Check ECA For Fault Codes

Repair any fault codes as necessary. See TESTS W/CODES article in the ENGINE PERFORMANCE Section. If no fault codes are retrieved, proceed to next test.

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