If your check engine light is on - get the engine checked by a qualified mechanic - don't try turning the light off - it is telling you there is a fault in your engine.
An engine light check means some fault in the engine . Check the handbook to get more details to find what and where the fault is.
The check engine light is reset with a scan tool after repairing the cause of the fault.The check engine light is reset with a scan tool after repairing the cause of the fault.
Plug in a computer diagnostic scanner. The light is on to tell you that you have a problem and the computer has stored a "fault" code.
The check engine light can be triggered by any detected fault that would affect the emissions output of your car. Anything from a loose gas cap to a major engine fault could be a possible cause for the light. To find out, you need to retrieve the codes recorded by your car's onboard engine management computer. These codes tell a tech what system fault was seen, but not necessarily what caused the faullt. See the side links for more information.
you need to have the check engine/service engine soon fault codes read to determine what the fault is.
roumoured this fault is a recall? investigate
Yes, it can.
Engine check urgently
Exhaust gas recirculation valve fault
The engine computer had detected something wrong somewhere in the engine management system. This could be an O2 sensor or any number of things. Take your car to a shop and have your car scanned for fault codes to see what the problem might be.
Get your vehicle checked ASAP:An illuminated check engine light means that the computer has found an emissions or Engine related fault.A "flashing" check engine light tells you that the fault that has been detected needs to be repaired IMMEDIATELY, and that the fault can and will damage the catalyst..... Do not hesitate.Have your engine codes read and get this checked NOW.See "Related Questions" below for more
You need a scan tool to read fault codes.
The check engine light does not come on when an oil change is due. The check engine light is for an emissions related failure. It is reset with a scan tool after the fault is repaired.
When the check engine light is on, the computer sets a fault code. Most auto parts stores will check this code for free and tell you how to fix it.
The coomputer detected a fault in one of the sensors or the engine, transmission, ABS, or EVAP system is malfunctioning
you have a fault code on emission systems
An electrical fault, check the spark plug, distributor and leads.
where is the fault self diagnostic connector located on a mazda demio
The check engine light indicates the computer has found a fault and stored a fault code. Many auto parts stores will pull the code for free and tell you what may be causing the issue.
Repairing the fault which is causing the check engine light is the recommended way to go about doing this.
You need an OBDII scanning tool to retrieve and read the fault codes. If the check engine light is illuminated, you can take the vehicle to AutoZone or similar auto parts store and get a free scan. If you want to buy your own scan tool, they cost about $70 and up.
It means the computer has detected a problem with some part of the emissions system. The fault code is stored in the ECU on the vehicle. You can retrieve the code with an OBD2 scan tool. Most auto parts stores will retrieve the code for you free of charge. The code will tell you what part of the system is being effected but not necessarily the defective part.
Fit a new DSC Module. This will cost you £1200 + Fitting + VAT and can only be done at a Mazda maid dealership, as an IDS diagnostic system is required to check the fitting. The Mazda dealership can submit an on-line case for you, which should result in Mazda discounting between 50%-80% of the cost of the repair, for Mazda 3's between 3-5 years old. This fault was the subject of a TSB sometime ago.
It means to check the engine. You need to have the ECU scanned for the fault code that has been set.