Question: How To Remove Check Engine Light?

Is it illegal to erase check engine light?

It’s called fraudulent concealment and it is illegal. Many states will allow punitive damages. This car dealership should count themselves lucky that you discovered this problem before it caused any personal injuries.

Can you reset check engine light without disconnecting battery?

Can you reset the check engine light without disconnecting the battery? You can reset the check engine light without disconnecting the battery by using an OBD2 scanner. If you drive long enough after fixing the problem, most car models’ check engine light will go away by itself.

Can AutoZone reset check engine light?

Originally Answered: Can AutoZone turn off the check engine light? Yes, Autozone can use a scanner to read and clear DTC’s.

How much does it cost to clear a check engine light?

We’ll use the middle-of-the-road cost for repairs with ranges: $350 for mass airflow sensor, and $150 for spark plugs. Based on the above calculations, the average cost of a check engine light repair is $163.75. That’s a small price to pay for peace of mind and to prevent the problem from escalating.

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Can I pass inspection with a check engine light on?

If there is a problem, the “Check Engine” or “Service Engine Soon” light may be on. If the light is on when you come in for inspection, the vehicle will fail the test.

Does Autozone clear engine codes?

Yes, we can help you clear your code; it’s called telling you how to fix your damn car. Like others have said, even after clearing it, the light will come back on within 30-50 miles of driving.

Can you clear codes to pass emissions?

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. If it’s not in a “ready” state, your vehicle will automatically fail.

How far do you have to drive to reset the check engine light?

To make sure the check engine light does not reappear, it’s recommended that you drive your car 30 to 100 miles. This enables the vehicle’s “Drive Cycle” to reset, as the various sensors need time to recalibrate.

How do you tell if OBD codes have been cleared?

If the vehicle does not support the above datapoints you can use the smog check feature to check for indications of codes being recently cleared. When codes are cleared all vehicle emissions tests are reset and will display a status of ‘not complete’.

What is the most common reason for check engine light?

Replacing a faulty oxygen sensor — a sensor used to optimize a vehicle’s fuel-to-air mixture to increase gas mileage and reduce emissions — is the most common cause for a check engine light.

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Can needing an oil change cause check engine light?

1. Your Car Needs an Oil Change. An illuminated check engine light is the first warning sign that your vehicle needs an oil change. It can activate because the oil is too dirty or when there’s not enough flowing throughout the engine.

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