Posts Tagged: drive cycle
What is a drive cycle and how to perform one
What is a drive cycle? Simply put, a drive cycle is a set of driving maneuvers the vehicle must complete for the engine computer to determine that an emission system is operating as intended and is ready for emission testing. Once the drive cycle is complete and the system passes, the “readiness monitor” is set to READY. That tells emissions testing officials that the vehicle is ready for additional emissions testing. Drive cycle prerequisites Every drive cycle has a set of requirements that must be met before the testing can … Read More
Readiness Monitors and Drive Cycles
What are readiness monitors and drive cycles? If you want to get your vehicle inspected, your car’s readiness monitors must be in the “ready” state in order to pass the test. And that means you must complete a drive cycle. In the old days of OBDI, you could reset the computer and run your vehicle over to the emissions testing station. Not anymore. Everytime you clear the codes from the computer, you’re resetting the computer and it must start all its testing from scratch. Each drive cycle routine has its … Read More