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Home >> Audi >> 1988 >> 80 Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> BOSCH Cis MOTRONIC System >> Testing >> Clearing Fault Codes

Clearing Fault Codes

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Turn ignition off. Connect LED Tester Tool (part number US 1115 or equivalent). Insert fuse in fuel pump relay. Turn ignition on and remove fuse after 4 seconds. LED Tester Tool should switch off, then start flashing a Code 0000. Insert fuse in fuel pump relay for 10 seconds, then remove fuse. LED Tester Tool should not be flashing. If LED Tester Tool is still flashing a code, repeat procedure.