![]() ![]() If the Check Engine light on your Ford F-150 pick-up won't turn off, you might need to reset the codes on the OBD II (On-Board Diagnostics II) computer. Put on safety glasses and gloves, and park in an open, well-ventilated area. Next, … No, you don’t have to disconnect both battery terminals to reset the check engine light. After a few tries, your check engine light should be reset and good as new! Besides this, The on-off method is the equivalent fix for a vehicle’s check engine light. Remove the fuse: Carefully pull out the ECU fuse. ![]() Sometimes this will reset the code, as the ECM has then fired up 3-5 times without detecting the problem. But if the check engine light won’t go off, you should take your vehicle to the shop to get I find it interesting that lots of people have gotten codes come up after disconnecting the battery or replacing it. Reconnect the negative cable and tighten it back up with your wrench. There are a few things to consider when attempting to reset your check engine light. ![]() If you finish this, your car will reset itself by disabling the “check engine” light. Wait a few seconds before disconnecting the negative battery cable and reconnecting it with the check engine light, then reconnect the negative battery cable once the check engine light has been reset. Inorder to pass inspection your car needs to complete a full drive cycle so that all (8) internal monitors have a status of "Ready". Step 3: Reinstall the fuse and reconnect the battery terminal. The check engine light alert could be something as simple as a reminder to change your engine oil every 5,000 miles, so having a check engine light come in is not all bad at times. Start and run the engine for at least 30 seconds. It forces the computer to refresh its saved state through a reboot. Typically it takes several driving cycles or about four to five days for the Lexus check engine light to ToyoTundra said: When a malfunction is first detected, the malfunction is temporarily. It will also allow the ECU to relearn the air/fuel mixture. ![]() If the ignition switch is turned OFF and then ON again, and. Will disconnecting battery reset check engine light. ![]()
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