How to pass vehicle emissions test 100%?

How to pass vehicle emissions test 100%?

Hope this help. Very important, do not turn your car off, you need to drive it until check engine light comes on, last time you reset the ECU you also drive it straight to the emission test place after you drive it the miles need it. Loading…

Do you need to reset ECU to pass emissions test?

Very important, do not turn your car off, you need to drive it until check engine light comes on, last time you reset the ECU you also drive it straight to the emission test place after you drive it the miles need it.

Do you have to have OBD-II emissions test?

Check with your state and county, as older cars in many states are exempt from tests. The OBD-II requirement in 1996 was “pretty much a line in the sand,” Tisdale said. “Anything prior to 1996 is going to need to have the treadmill test.”

What happens to my computer during an emissions test?

During an emissions test, a smog technician will check that all (or nearly all, depending on local requirements) of these monitors have “run” successfully. The monitors are reset whenever the battery is disconnected. Clearing diagnostic trouble codes (DTCs) from the computer’s memory also resets the monitors.

What does the emissions code mean on a Honda Odyssey?

This code means there is a leak in the fuel vapor evaporative recovery system, or commonly referred to as the evap system. The fuel system is sealed and evaporative emissions are stored in a charcoal canister until the computer decides it’s a good time to suck those vapors into the engine.

How do you pass the OBD-2 emissions test?

To pass an OBD-II emissions test, a vehicle must: If you clear the ‘Check Engine’ light, or reset the OBD-II monitors right before your emissions test, your vehicle typically will not pass because the catalyst and EVAP monitors need time to run.

Why is my Honda Odyssey not passing smog?

The readiness flags (emission monitors) are not complete. I’ve driven my Honda for a few days now and it still won’t cycle through to get it to pass the smog. The emissions are ok, it just doesn’t complete the drive cycle enough times.

How long does it take to clear emissions light on Honda Odyssey?

It can take a few drive cycles, though. You can have the code cleared with the same tool used to pull the code or you can disconnect the battery for a few minutes (make sure you have your radio codes first) to clear the code and then see if the light comes back after a few drives. It can take a week or two to complete the full drive cycle.

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