How many miles do you have to drive after disconnecting battery?
100 milesBut you probably should drive it a bit more to see if the gas cap was the problem.
When codes are set, and you get them repaired and cleared there is a minimum amount of miles you need to drive the vehicle, usually over 100 miles..
How do you tell if OBD codes have been cleared?
If the MIL (yellow engine icon) turns off abruptly after 20 seconds, then you know the DTCs have been reset by the engine monitoring system and not by a scan tool or by disconnecting the battery.
What is a drive cycle for emissions?
A drive cycle is one of the methods used by a vehicle’s powertrain control module (PCM) to determine whether an emissions system repair was performed successfully. It involves a special test drive that duplicates the scenario of a person starting the car and making a short freeway trip, as if driving to work.
How long does it take to complete a drive cycle?
Preparation for it will take eight hours but, all in all, a basic drive cycle test should take around 30 minutes to complete, with about 20 minutes of actual driving. Understanding your vehicle’s overall health can help you ensure it drives smooth and lasts long.
Will my car pass emissions if I reset the check engine light?
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. … If it’s not in a “ready” state, your vehicle will automatically fail.