Why is my OBD not ready for emission test?

Why is my OBD not ready for emission test?

In most cases, Not Ready is a result of a battery being disconnected or a scan tool turning the MIL light off during repair work causing the monitors to be unset. NOTE: Disconnecting the battery, a dead battery or low voltage battery or clearing the OBD computer prior to an emission test will result in an emission test failure for Readiness.

What happens if the OBD II readiness monitor is not complete?

If no diagnostic trouble codes are stored in memory and all OBD II readiness monitors are complete, it is safe to assume that the vehicle’s emissions control systems are working properly; however, if the monitors are incomplete, there might be a problem with the emissions control system that has not been identified.

Why is my smog check OBD 2 incomplete?

There are several reasons why the monitors may be incomplete. If your car has recently been repaired for a problem that set a DTC (check engine on) and the technician cleared the DTC, he also erased the monitors. Also, if battery has been disconnected, replaced or needed a jump-start, the monitors may be erased.

What should I know about a failed smog test?

Failed smog test. OBD-II monitors not ready. Needs to be Q: Failed smog test. OBD-II monitors not ready. Needs to be reset Failed smog test. OBD-II monitors not ready. Need to be reset. How much will this cost? My car has 165000 miles. My car has an automatic transmission. Hello.

In most cases, Not Ready is a result of a battery being disconnected or a scan tool turning the MIL light off during repair work causing the monitors to be unset. NOTE: Disconnecting the battery, a dead battery or low voltage battery or clearing the OBD computer prior to an emission test will result in an emission test failure for Readiness.

If no diagnostic trouble codes are stored in memory and all OBD II readiness monitors are complete, it is safe to assume that the vehicle’s emissions control systems are working properly; however, if the monitors are incomplete, there might be a problem with the emissions control system that has not been identified.

There are several reasons why the monitors may be incomplete. If your car has recently been repaired for a problem that set a DTC (check engine on) and the technician cleared the DTC, he also erased the monitors. Also, if battery has been disconnected, replaced or needed a jump-start, the monitors may be erased.

Failed smog test. OBD-II monitors not ready. Needs to be Q: Failed smog test. OBD-II monitors not ready. Needs to be reset Failed smog test. OBD-II monitors not ready. Need to be reset. How much will this cost? My car has 165000 miles. My car has an automatic transmission. Hello.