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Home >> BMW >> 1983 >> 633CSi Automatic >> Repair and Diagnosis >> Engine Performance >> System >> MOTRONIC CEC System >> Testing >> Test 4: Cold Start Valve >> Valve Leaks
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Valve Leaks

Check valve operation as in first Cold Start Valve test. If valve operates properly (fuel is delivered), remove jumper wire to battery voltage and check that fuel delivery stops. If fuel is still delivered, or leaks, or seeps out, replace valve.

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