AI4Car / Diagnostics

Emissions & exhaust

Name: AI4Car - OBD2 Scanner
Author: AI4Car

Catalyst, EVAP, sensors and exhaust clues.

Compare conditions around evap code that appeared after refueling

Compare evap code that appeared after refueling under similar conditions, changing one variable at a time.

EVAP code that appeared after refueling can have several causes; confirm the fault before replacing parts.

Record when evap code that appeared after refueling appears and what changed beforehand.

Save relevant trouble codes and operating data connected with evap code that appeared after refueling.

After repairs for evap code that appeared after refueling, repeat the original conditions and verify the result.