Disable check engine light

Sometimes the light will come on for a minor reason but there is always a chance of a bigger problem. My car is a 2004 Ford Focus ZX3-I dont just want to turn it off but ensure that it will never come back on.

If you do this in states with emission system testing they will be able to easily detect a disconnected engine warning light.

Disable check engine light. How to Disable the Check Engine Light Permanently 1. Drive car and allow the Check engine light go off. On how to disable the check engine light permanently the first.

Turn the automobile on and off thrice. To disable the check engine light permanently in some automobile they will. Instructions on how to turn off the check engine light using either a scan tool or by disconnecting the battery.

If not using a scan tool locate your vehicles battery. Disconnect the 12v negative cable black wire from battery terminal -. Leave it disconnect for 5 minutes.

4 Ways to Turn off the Check Engine Light 1. Drive car and let light go off by itself. Turn engine on and off three times in a row.

Disconnect and reconnet the battery. Use an OBD code reader. You can read and delete the fault codes with an OBD2 reader.

In most cases the check engine light will come right back if the repair hasnt been done. You could potentially connect a bluetooth OBD2-dongle and automatically remove a fault code as soon as it arrives if you wrote some software to do this. The easiest and most safe means to turn off the check engine light is by using an OBD II Trouble Code Scan Device.

You might purchase a scan tool at your neighborhood car parts store. It can be used to recover stored trouble codes clear problem codes and switch off the check engine light. Press the eraseclear button on your scanner then turn off the key and disconnect it.

Clearing any codes present will turn off your check engine light temporarily. After pressing eraseclear and waiting until you see a no codes message you can turn off your vehicle and disconnect the scanner. The battery disconnection technique is a conventional way of resetting your cars check engine light in some cars.

First of all remove the negative car battery terminal. Then try to drain any available electricity present in the cars capacitor by pressing the horn for around 20-30 seconds or turning on lights. Pressing the ERASE button on the scan tool to remove the error code.

The Check Engine Light will turn off if all error codes are cleared. Some scan tools have many capabilities such as freeze frame that notes some sensor readings when a code was set and removing the codes will also remove this file. Disable Check Engine Light.

I want to disable my check remove fuse remove bulb cut wires leading to it. Is this possible and which way is the easiest. My car is a 2004 Ford Focus ZX3-I dont just want to turn it off but ensure that it will never come back on.

I want to disable my check engine light 9 minutes. How to reset check engine light works on any trucks cars suv mazda ford gm honda toyota chevy and what diagnostic tester meter tools used to reset warning la. Learn how to turn off check engine light with no scanner EASY.

CAUSION when doing it. Do it on your own risk. Check Engine Warning Light Unfortunately disconnecting check engine lights is against the law because its considered tampering with the factory emission control system.

If you do this in states with emission system testing they will be able to easily detect a disconnected engine warning light. Let me tell you how and why they do this. Locate the ALDL connector 16 pin D shaped computer connector which is under the dash on the driver side.

Connect the code reader and then turn the key to the on position without starting the engine. Using the command buttons on the reader tool follow the prompt and choose the erase codes or clear codes option from the tools LED screen and hit enter. Look for the Service Engine Soon or Check Engine light if it doesnt come on with all the others walk away from the deal.

Obviously someone has removed or disabled the light and you dont need to waste your time or money on all the repairs that car is going to need. Another simple approach to get rid of the check engine light is to turn on and off the car three times. Insert the key in the ignition turn the car on for a second and turn it off for another second.

Repeat this process three times. Once you turned your car onoff three times the check engine light should go away by itself. Take your Mercedes in for service when the check engine light comes on.

Sometimes the light will come on for a minor reason but there is always a chance of a bigger problem. Have the car serviced before a small issue becomes a big problem. The positive battery cable can be disconnected for 30 seconds to reset the check engine light.

How to Turn Off the Check Engine Light. Most code readers will allow you to turn off or reset the check engine light. But this action alone does not actually repair the underlying problem.

Replace the positive clamp to the positive battery terminal and tighten the bolt with the wrench. Put the key in the ignition and turn it to the On position for about five seconds. Turn the engine on.

The engine warning light will flash and then turn off.