FixVault

Home › BMW › 1989 › 635CSi Standard › Repair and Diagnosis › Engine Performance › System › Tests W/O Codes › Symptom Diagnosis › Excessive Emissions

Excessive Emissions

Check for leaky fuel injectors.
Check Motronic Control Unit (MCU).
Check for faulty oxygen sensor.
Check ignition and sensor wires for proper connection.
Check intake system.