There are a multitude of things that will cause the check engine light to illuminated. The only way to be certain of which one is to have the car's computer scanned for Diagnostic Trouble Codes (DTC's). You can have this professionally done at a local GM dealership, where you can have the problem fixed or you can take the car an Advance Auto or Autozone parts store and have the computer scanned for free. Taking to car to the parts store may not work because some of the scanners they use can only work when the check engine light is on constantly and the information given is generic to more than one make and model of car.
Bad flasher?
There are many causes for a service engine light. You need to have it checked for codes. Then you can diagnose from there.
How to reset service light on a 2004 grand am
bad bain bering
Because your vehicle needs a certain service. That service will be listed in your owner's manual.
Bad door switch or bad headlight switch
There are a couple of ways to reset the Service Engine Soon light on a Suzuki Grand Vitara. The easiest way is to get a scan tool from your local auto parts store. Using the scan tool will reset the service engine light. Disconnecting your vehicle's battery is another way that often works to reset the Service Engine Soon light.
There could be several reasons why a 2000 Pontiac Grand Am service engine light soon has come on. The engine may need a tune up, the timing belt may need changed, or even a bad fuel pump.
The "Service Engine" light is the computer's way of telling you that it has something to tell you. Connect a scanner and see what it says.
its missing 4 cylinders sir!
Thousands of things. Take it to a mechanic who has a scanner and they can tell you what the problem is.
In a service manual at a parts store or the library.