Car seems ok when driving it, light came on as I was entering highway and has stayed on
Thanks!
Your vehicle’s computer system has self-testing capability. When the computer senses that there is a problem with one of the components or sensors it stores the correspondent trouble code(s) in its memory and lights up the "Check Engine" or "Service Engine Soon" light to tell you that there is a problem and you need to diagnosed and repaired it. If the light starts flashing, this is evidence of a serious problem and the vehicle should be taken to a repair facility or you need to repair it immediately.
Also check manifold vacuum at idle the best you can hold an idle. I have run into timing belt being one tooth off and engine still ran fine. But the vacuum was low that's how I could tell the belt was a tooth off.
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Thank you for the quick response.
I turned my ignition on-off on-off then on. the light went out and did not come
back on . I started the car back up and the light came back on...any thought's?
thank you
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