Why does my check engine light keep coming back on?
Why does my check engine light keep coming back on?
So why does the check engine light keep coming on? A loose, cracked, or faulty gas cap can cause fuel to evaporate, thus causing your check engine light. Make sure your gas cap is tight. If that is the problem, the check engine light should go off within 10 or 20 miles after you start driving again.
What is the most common cause of 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. With over 400,000 repairs nationwide, oxygen sensor replacements account for 8% of all check engine light repairs.
Can I still drive my car with check engine light on?
The rule of thumb is that if the check engine light is flashing, you can’t keep driving the car. It’s an emergency. Often it indicates an engine misfire. If you keep driving, you will likely cause irreversible damage, mostly to the (expensive) catalytic converter.
How to permanently disable “check engine light”?
So to turn off the check engine light, just do the following: Find the fuse panel cover under your car steering column. Study the diagram on the fuse panel cover and look for the electronic control unit fuse. Take off the fuse puller from inside the fuse panel and use it to pull the fuse out from the electronic control unit.
Can You disable the Check Engine light?
Most areas have state inspections or smog check points that verify proper operation of the check engine light bulb test function. If you have disconnected it you will be in violation of the clean air act and fail your state inspection. Technically the person that disabled the light could be fined.
When to take the Check Engine light seriously?
If the check engine light is illuminated, you can keep driving but you should get the car checked out as soon as you get a chance. A flashing check engine light means that you need to pull over immediately as your vehicle has a serious issue that could cause severe engine damage.
Can check engine light turn itself off?
The simplest and safest way to turn off the check engine light is by using an OBD II Trouble Code Scan Tool. You may buy a scan tool at your local auto parts store. It can be used to retrieve stored trouble code(s), clear trouble code(s) and turn off the check engine light, read live streaming engine data (on some models).
