What does EGR n A mean?

N/A on most OBD-II trouble code readers indicate the monitor is not applicable to the vehicle being tested. If you have any Incomplete emission monitors, except the EVAP (as of the time of this post), your vehicle will not pass the smog inspection, assuming it’s a 2000 model year or newer.

What causes catalyst monitor not ready?

if the oxygen sensor and catalyst monitors are also not ready, the culprit is most likely a weak battery. if your battery is more than four years old, replace it and re-run the drive cycle. even though your car may start just fine, the pcm is hypersensitive to the slightest glitch in the battery.

What is cat on OBD2?

OBDII converters are catalytic converters that have been installed on vehicles with the OBDII monitoring system. All 1996 and newer passenger cars and light trucks are OBDII vehicles. Some 1994 and 1995 vehicles also have an OBDII system, because the implementation of the law was phased in over.

Can I pass CA smog with Catalyst monitor Not ready?

Answer: Depending how old your vehicle is, the catalyst monitor might be allowed to remain incomplete and the vehicle still pass the smog inspection. Currently 1999 and older gasoline powered vehicle’s are allowed one incomplete monitor.

What is a catalyst monitor?

The catalytic converter monitor evaluates the ability of the converter to reduce harmful emissions. When the catalyst in the converter is working correctly, oxygen from the exhaust gas is used up in the breakdown of other components (pollutants) of the exhaust gas.