Why did my Hyundai fail an OBD inspection?
My 2008 Hyundai failed inspection because the OBD-II system is in a “not ready” state. The mechanic asked if my battery had died recently. It had, after getting an alignment. He suggested driving on the highway for 60 miles or so.
What happens when your car is not ready for an OBD test?
The status of the emission systems may also be reset by disconnecting the battery. After being reset, the emission systems on your vehicle will have a “not ready” status.
Can a full tank of fuel pass a NJ inspection?
The service advisor is basically mentioning a half truth. First, a vehicle can have a full tank or the fuel can be at any level down to empty in order to pass a NJ inspection. If the check engine light is on, or if the on board diagnostics aren’t “ready” the vehicle won’t pass.
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 causes a system to fail an OBD test?
There’s a systems that are most likely cause fail on emissions test. Self-tests on all of the OBD system monitors must have run and completed to pass an OBD II plug-in emissions test, and there’s should no trouble codes found during the test.
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.
How does an OBD code work on a car?
When your on-board computer detects a problem, it outputs a code through the output, and the code can be read by an OBD-II code scanner, or reader. OBD-II codes, or PID’s can help diagnose powertrain, emission, and other vehicle issues when diagnostic readings are out of accepted ranges.
How does the OBD II system detect a misfire?
Detecting subtle changes in the crankshaft position sensor when the engine is run, it’s how the OBD II system tracks the misfires. Speed in the rotating crankshaft will slight loss caused by misfire, and the OBD II system logs will say as a misfire.