How do I reset my drive cycle?

15 minutes of steady driving on an expressway/highway followed by 20 minutes of stop-and-go driving with at least four 30-second idle periods. Allow the vehicle to sit for at least eight hours without starting the engine. Then, start the engine and complete the above driving cycle.

How long do you have to drive 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.

How do I reset my readiness monitor?

Start the engine and idle the engine in drive for two and half minutes, with the A/C and rear defroster on if equipped. Turn the A/C and rear defroster off, and speed up to 90 km/h (55 mph) under moderate, constant acceleration. Hold at a steady speed for three minutes.

How do you pass a smog check with a new battery?

WAIT A BIT AFTER DISCONNECTING THE BATTERY When a car’s battery dies or is disconnected, the computer resets, erasing the internal emission monitors required to pass a smog test. You’ll be good to go once you drive 100 to 200 miles with the new battery.

How many miles do you have to drive to reset your car computer?

So why is the light still on? Here’s something you probably don’t know: after clearing the car’s computer you will need to drive for about 50 to 100 miles. As you drive your car the computer will monitor all the sensors and register the results.

How many miles does it take for car computer to reset?

The readiness monitors will remain until the car has been driven long enough for the computer to evaluate the various system and sensors. The amount of time can vary based on the vehicle. In some cases it can take up to 100 miles for all of the computer monitors to completely reset.

How many miles do you get out of a new battery?

Typically, a car battery will last for about 5 to 6 years and about 30,000 to 50,000 miles before needing to be replaced. It is a relatively minor cost to keep your car running strong. Tip to remember: Monitor how your car starts when you turn the ignition.

Do I need to reset car after changing battery?

Yes. You will need to reset your settings. Usually the dealer can do it free of charge but no promises. If you take a battery off and put a new one on, if there was anything hooked up the the battery, i.e. the hose you are speaking of, reinstall it.

Do you have to reprogram car after changing battery?

Hi there. Changing the battery has nothing to do with programming a battery. However, if a 9 volt battery saver was put into a cigarette lighter and the car battery was removed, then the computer will not lose its memory and be just fine.

Does a new battery affect emissions?

Replacing the battery or even simply disconnected the battery on a vehicle will cause the engine control unit (ECU) to reset and clear all the emission monitors (and trouble codes; if any existed). Emission monitors are needed to be READY or COMPLETE in order for the vehicle to pass the smog check.

How often should you change truck battery?

After three years, it’s normally time to install a replacement. After four or five years, most car batteries will be almost completely unreliable. Old car batteries can present a number of safety and reliability issues. Luckily, it’s easy to identify if your car’s battery is nearing the end of its lifespan.

Why do car batteries fail so often?

2. Some of the leading causes of premature car battery failure include chronic overcharging (or undercharging), abuse and excessive vibration. 3. Even when your car is parked, its computer systems are creating a small—but constant—drain on your car battery. 4. Before attempting to change your car battery yourself, consult your owner’s manual.

How long do car batteries last?

1 With proper care, a car battery can last as long as five years. 2 Some of the leading causes of premature car battery failure include chronic overcharging (or undercharging), abuse and excessive vibration. 3 Even when your car is parked, its computer systems are creating a small—but constant—drain on your car battery.

What to do if your car loses memory after battery disconnection?

You can also check your owners manual for any procedures or drive cycles you can perform to “teach” the car functions it may have lost while the battery was disconnected. If both of those are performed and you’re still experiencing issues, your car may require a special computer to reinitialize the modules that lost memory.

Why did my car fail emission test after battery change?

A couple of weeks ago I changed my battery but had not driven the car much before taking it to inspection and promptly failed the emission test because the evaporative, catalyst and O2 systems were not ready. Since then I drove about 100 miles with a mixture of local roads and highway over a 4 day period.