Texas Car & Truck Inspection FAQ
State Car Inspection & Emissions Testing
With routine automobile inspections and regular emissions checks, vehicle drivers can be informed about any mechanical problems with their vehicles. In case your car fails the inspection or the vehicle-emissions test, you will definitely know it requires some prompt attention and possibly some repair or service. Car owners should schedule the repair work ASAP because it may endanger the reliability of the vehicle and even lead to significant fines and even a disqualified registration. For that reason, it is always recommended to have your vehicle examined by a qualified technician at least every six months to avoid all these hassles. Some frequently asked inquiries on car inspection are described below.
What is On-Board Diagnostics or OBD?
The OBD or On-Board Diagnostics, or OBD II is a standard computer system implemented in all automobiles created in and after 1996. In short, all the automobiles made in 1996 and after will certainly have an OBD system in them, which supplies information reports on self-diagnosis of the vehicle usually utilized by automotive technicians prior to executing any type of vehicle repair services.
What Are The Most Common Causes Of a Failed Emissions Test?
An emissions test can fail for several reasons due to malfunctioning vehicle components such as an injector, oxygen sensing unit, ignition system or even an EVAP system. The most typical reason is malfunctioning injectors. Either the injectors or a malfunctioning oxygen sensor can trigger a "rich air-fuel mixture" resulting in a poor emissions test result.
If your automobile has worn-out ignition system, there is a greater chance that it might be the root cause of a boost in exhaust discharges. This, in turn, can result in a failed vehicle-emissions test.
Any kind of trouble or shortages in the EVAP system or evaporative exhaust control system can trigger an issue in the handling of the gas vapor released from the automobile leading to air pollution.
If your vehicle hasn't undergone regular maintenance and the "check engine" light is brightened on the control panel, your vehicle may not pass the vehicle-emissions test.
How Long Does A Safety Inspection Take?
Depending upon the state, city, and region where the car tests are performed, the automobile safety inspection duration might vary. Nevertheless, for a majority of cars, this procedure usually takes one hour to an hour and a half.