FAQ: How Many Miles Before A Car Computer To Reset?

How many miles do you have to drive a car to reset the 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.

Can miles on a car be reset?

Of course, “resetting” an odometer is generally illegal in the United States. There is a Federal statute forbidding it and many states have laws outlawing it as well. This would address dealers, if they did, in fact, “reset” the odometers to read differently than that registered by the gauge in the first place.

How long does it take to reset car ECU?

If you don’t want to take my word for it then go to TMO.com and look up resetting the ECU. It only takes like 15 or 30 seconds.

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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 long does battery need to be disconnected to reset ECU?

Disconnecting the battery for a short time may not do the trick because the car’s computer, or ECU, still has some current in it. Waiting for over 15 minutes after disconnecting the engine will help ensure the equipment is reset.

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.

Does replacing an engine devalue a car?

A used car with a new engine can command a higher price than the same car with the original engine. This is obviously because of the fact that the new engine will have none of the wear and tear of the original engine and should, therefore, enhance the vehicle’s overall performance.

Why did my car mileage reset?

In most vehicles its stored in several places in the computer system. Its designed that way to help alleviate tampering, but people have found ways around it. If someone resets it one place to indicate a lower mileage, the computer will take over at some point and reset it to the proper mileage.

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Can disconnecting battery reset ECU?

How do you reset your car’s computer? Will disconnecting battery reset ECU? Can a ECU be reset? Yes, all ECU (Engine Control units) can be reset and be should reset once per manufacturer’s guideline for a smooth relearn process or upon installing a replacement unit.

What does resetting your ECU do?

“Resetting the ECU” is the process of clearing all the long term memory from the ECU’s memory. These variables trim idle speed, fuel, spark, and more. The ECU will also store trouble codes for diagnostic capability.

What is a Drive Cycle for a car?

A driving cycle is a series of data points representing the speed of a vehicle versus time. Driving cycles are produced by different countries and organizations to assess the performance of vehicles in various ways, as for instance fuel consumption, electric vehicle autonomy and polluting emissions.

How do you do a Drive Cycle for inspection?

General Motors Drive Cycle For Smog Check

  1. Start the vehicle from a cold start.
  2. Let the engine run on idle.
  3. Accelerate to 55 mph.
  4. Hold a steady speed of 55 mph for 3 minutes.
  5. Let go of the accelerator and coast until the vehicle hits 20mph.
  6. Accelerate again until 60 mph.
  7. Hold steady for 5 minutes at 60mph for 5 minutes.

How long does it take for EVAP code to reset?

Start the engine and idle for four minutes, then drive in stop-and-go traffic for five minutes using smooth accelerations and decelerations. Stop and idle for 4 minutes. The EVAP monitor should be complete.