Will points be deducted for being caught with excessive exhaust emissions?
1 Answers
Excessive exhaust emissions do not result in point deductions. Here is expanded information on factors affecting excessive emissions: 1. Poor gasoline quality: Inferior gasoline quality may cause vehicle exhaust to exceed standards. 2. Malfunctioning exhaust gas recirculation system: When the EGR system fails to operate properly, faulty input sensors can lead to over-lean fuel mixtures. 3. Inaccurate ignition timing: Misfires or insufficient ignition energy in the ignition system can cause incomplete combustion of the air-fuel mixture. 4. Low cylinder pressure: Engine operating temperature being too high; check whether the engine temperature displayed on the diagnostic tool is excessive.