Rick's Free Auto Repair Advice

Posts Tagged: emissions test

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


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