Mercer OBD Trouble Code 21

Mercer Problems For OBD Code 21

Coolant temperature sensor fault

Oxygen sensor reporting too lean or too rich after 2 – 12 minutes with temp over 170° and RPM above 1500

throttle position sensor or circuit - voltage high

Engine coolant temperature sensor

Oxygen sensor signal doesn't change (stays at 4.3-4.5V)Probably bad oxygen sensor

Check 21 OBD1 Code For All Mercer Models

About | Contact | Privacy

Copyright © 2019 All rights reserved. OBD trouble code informations for cars.