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Home >> Audi >> 1987 >> 5000 CS, Standard >> Repair and Diagnosis >> Engine Performance >> System >> BOSCH Cis-E III System >> Testing >> Cold Start Valve

Cold Start Valve

Turn ignition on. Insert fuse into fuel pump relay for at least 4 seconds. Indicator light should display Code 4443. Close full throttle switch. cold start valve should click on and off for 10 seconds maximum.