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Home >> Volvo >> 1989 >> 240 GL, 4D Sedan, AW70L >> Repair and Diagnosis >> Engine Performance >> System >> Tests W/Codes - Non-Turbo >> Entering Self-Diagnostics (Fuel System) >> Control Functions >> Control Function No. 1 (Accessing Codes)
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Control Function No. 1 (Accessing Codes)

This function displays any of 17 different fuel system codes stored in ECU memory during engine operation.

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