Catalyst / O2 Monitor
WARNING: This page is about a different car, the 2016 Dodge Grand Caravan, 2016 Chrysler Town & Country, 2015 RAM C/V Tradesman, 2015 Dodge Grand Caravan, and 2015 Chrysler Town & Country. However, it is still accessible from the selected car via links, so may be relevant.
The Catalyst and O2 Monitor information are acquired and processed at the same time. Most vehicles will need to be driven at highway speed (less than 50 mph) (73km/h) for a few minutes. Some vehicles run the monitor at idle in drive. If the vehicle is equipped with a manual transmission, using 4th gear may assist in meeting the monitor running criteria.
- Engine RPM between 1200 to 3000.
- Engine temperature greater than 70°C (158°F)
- Engine run time greater than 92 seconds
- MAP between 10 - 20 kPa (7.5 - 15 Hg)
- Vehicle speed between 20 - 70 mph (29-103 km/h)