AI4Car / Diagnostics

Emissions & exhaust

Catalyst, EVAP, sensors and exhaust clues.

An oxygen-sensor code does not always mean a bad sensor

The code describes what the control system observed. Check the circuit and the conditions that can influence the reading.

#oxygensensor #P0133 #emissions

Exhaust smoke: note the color, duration, and temperature

A brief vapor cloud on a cold morning is different from smoke that continues after warm-up.

#exhaust #smoke #engine

Emissions & exhaust — Page 4 | AI4Car