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Re: service engine soon light
Check and make sure your gas cap is on properly first.
Have you noticed any differences in the way your car is
running? Most of the check engine light complaints from
our customers at the dealership turns out to be an improperly
installed gas cap. You might have to take a number of
trips to and from the store before you check engine light will
go off, if it was the gas cap or you can have a service dept.
turn it off for you.
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Could be the person who changed it never ran the motor and then topped it off once the filter was full. Have you checked the oil level after you let the car sit overnight to make sure the oil level is on full? I would say it could be a bad oil level sensor, except that the coincidence of coinciding with an oil change is too obvious.
if you just had the oil and filter changed..the technician did not reset the alert in the cars command module..therefor the check engine light will come on until this alert is removed from the start up sequence in the cars' computer.. get that done and it should be fine..
There are really too many things to list that can cause the service engine soon light to come on. I suggest you have your mechanic scan your vehicle to see what codes are present to cause the light to come on.
it could be both but im guessing that you changed the oil before the exact time for it to be done . if so have some one reset the light for you im not sure exactly how to do it on the 03 century if you have the drivers manual it will tell you how to reset it.
Is it the "oil change req." light? Your owners manual will have the process for reseting the oil change light.
If it is "service engine soon" light, the vehicle will need to be scanned with a professional scanner.
If ou fixed whatever happened during the oil change, the light will cycle off after about 3 drive cycles.
The check enine light just tells you that you are not meeting emissions right now. Only be concerned if it's flashing. That means you are sending unburned fuel to your catalytic converter whih will overheat and self destruct.
Look for a vacuum hose disconnected and check all the onnections to sensors such as, vehcile speed control sensor, mass air flow sensor, crankshaft position sensor, camshaft poition sensor, throttle position sensor, etc. Good luck.