Exhaust Pipe Black Smoke 1.42 Apr 2026

If a cylinder fails to fire, raw oxygen and unburnt fuel are dumped into the exhaust. The oxygen sensor reads the excess oxygen as a "lean" condition (

High pressure can force too much fuel through the injectors. EXHAUST PIPE BLACK SMOKE 1.42

These can "drip" extra fuel into the combustion chamber. If a cylinder fails to fire, raw oxygen

If your vehicle is exhibiting black smoke, consider these primary culprits: If a cylinder fails to fire

A leak near the sensor can pull in outside air, tricking the sensor into reading lean ( ) while the engine is actually over-fueling.