Why is my OBD system not ready?
Electrical problems, if the computer is losing power when the ignition is turned off (blown fuse, wiring problem, or has an internal computer problem) the computers memory is erased and system will be “not ready”.
How many monitors can be incomplete California?
For 1996-1999 cars, two monitors can be in a not ready state. For 2000 and newer cars, the United States EPA allows one monitor to be in a not ready state.
What does OBD II monitors not ready mean?
A “not ready” result means your vehicle’s computer has not had a chance to check all of the parts of the emissions control system for problems – so it cannot determine if everything is working as designed. Until the vehicle is “ready” to complete the checks, the OBD inspection cannot complete.
Can I pass inspection 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.
Why is my 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.
Can a vehicle have an incomplete smog monitor?
– 2000 and newer model year vehicles will need all emission monitors in READY or COMPLETE status, with the exception of the EVAP monitor. AN incomplete evaporative monitor will not cause a smog check failure.
Can a car pass a smog test if it is not ready?
Since OBD II testing and system health is a major component of today’s smog inspection, a vehicle can not pass a smog inspection unless all systems are ready. If they’re not broke, then why aren’t my monitors ready?
Why is my OBD-2 not ready for emissions check?
So you’ve performed a code erase on your OBD-II-equipped vehicle, and now you’re due for an emissions check. But your code reader shows you’re not ready because some of the OBD-II emissions-related tests haven’t completed yet — specifically that the “HAS RUN” flag remains unset.
Why was the smog check OBD II invented?
The primary reason OBD II was invented is to reduce smog emissions caused by malfunctions, but it is also valuable as an alert to the driver that something is wrong…something that can affect gas mileage and drivability, or actually cause further damage to the vehicle.