Master the Art Pinpoint OBDII Failures in CAN Safety Tests with Finesse

The manufacturer should also demonstrate that the OBD II system will detect a PM filter malfunction when the filter is removed from the filter housing. Cold ... Depending on the model year and make of your vehicle, the inspector will perform either an on-board diagnostics (OBD II) test for most 1996 and newer gas. That in turns supplies some of the needed grounds but not all of them to the PCM. You will also notice that without your device connected to the ... ... testing requirements, however a safety inspection will still be required. ... What tailpipe test results lead to the failure? No tailpipe test ... ... should be used for directional purposes. Always follow safety procedures and understand the legal implications of any modifications you might ... Some drivers fail their emissions inspections with a Not-Ready Rejection VIRS. Your OBD-II must have the sensors at the ready before a mechanic can complete the ... If there is a problem, the “Check Engine” or “Service Engine Soon” light may be on. If the light is on when you come in for inspection, the vehicle will fail ... An incorrectly tightened gas cap will activate the check engine light. A malfunctioning oxygen sensor is another common offender. Oxygen sensors ... It's connected to the vehicle's dashboard and will alert the driver if any issues are detected (by turning on the check engine light for example). The OBD-II ... The OBD check cannot be completed if the connector is missing or is not working properly. The Malfunction Indicator Light does not illuminate ...