0
Does the check engine light have to be on for the mechanic to check the reason?
Wiki User
∙ 14y ago
No, old or pending malfunction codes are stored in the computer and can be recalled when the computer is accessed.
Wiki User
∙ 14y ago
Add your answer:
Earn +20 pts
What do you do if your check engine light comes on?
Take your vehicle to a mechanic
What can you do if a mechanic disconnects the check engine light?
It is illegal to disconnect or in any way, modify the check engine light on any vehicle. Take it back and tell the mechanic to connect the light as it should be or you will report him to the EPA.
What does it mean when a check engine light comes on the dashboard in your 1990 xj6 sovereign?
It just means that you have to have a mechanic check the engine in order to shut off that light. It most likely showed up for a reason, and should be checked as soon as possible.
What if the check engine light is on after you have changed all the sensors?
Then you may want to have a mechanic check it out.
How do I change the check engine light?
To change a check engine light the dashboard must be removed this is best done by a mechanic. To reset a engine light unplug the cars battery for half a hour.
Why would your engine get hot and show check engine light?
The engine is overheating - see a mechanic for a professional diagnosis .
What does the check engine light mean on a 2006 Toyota sienna?
The check engine light could any number of things. It is impossible to know what the light means without having the car checked by a mechanic. The mechanic will then be able to tell what is wrong with the car.
How do you reset check engine light on dodge ram 1500?
A Dodge Ram will have a check engine light appear when the engine needs to be serviced. You can reset this light by following the directions in your manual or by having your mechanic do it.
Will your truck use more fuel if the check engine light is on?
That depends entirely on the reason why the check engine light is on.
How does one check engine light codes?
To check engine light codes one would have to bring your vehicle to a mechanic who can use a computer to check the computer chip that regulates this function.
What fuse on a 2003 Toyota rav4 controls the check engine light?
if your check engine light is on your computer is reading a default code and needs to be serviced by a mechanic there is no fuse to control the light
How do you get the check engine light off in 1997 mercury villager van?
By bringing it to a trained mechanic so they can check the engine is running properly (which if the light is on it's probably not)
