Question about 2001 Buick Century

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"Service engine soon" light

"Service engine soon" warning light is on. Gas cap is secure. What to do??

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  • Anonymous Nov 02, 2008

    My service engine light came on also. I took it to Aamco & they told me the intake manifold gasket needed replaced...almost $1,000. I had them turn the light off. Just the other day it came back on. I took it to an auto parts store & again had it tested for free. They say it's the coolant censor...$10. I told the gentleman there that it came on last winter & hadn't been on since. But I had drove the car with the heater on recently & the light came back on once I hit over 65mph on the beltway. He said that is what would happen when that particular censor needs replaced. Now the question is...how hard is it for me to replace that censor?!

  • jspring695 Apr 20, 2009

    My Check engine soon light came on in my 2001 buick century at around 150,000 miles. i had it checked and reset for inspection. i was told to drive it for 50 miles then bring it back to the garage. The light stayed off so they passed it for inspection. As I was driving away the light came back on and has been on for 12 months and its time for inspection again. what could the problem be? The car has 172,000 miles on it now. Its been a good car, but i can't afford to put a lot of money into it.

  • Anonymous Mar 13, 2014

    service engine will not shut off. Also all sensors have been replaced.





    does computer need to be replaced?

  • Anonymous Mar 20, 2014

    Service engine soon light also on

  • Anonymous Mar 29, 2014

    security light on. radio reads locked. Service engine soon light on.

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  • 491 Answers

Take car to any local parts store and have them check for codes. or a auto repair shop or the dealer. i would take to local parts store cause they will do it for free and give you the codes and tell you what they mean

Posted on Oct 18, 2008

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and........what? What do you want to know? Bring it to a mechanic or Ford dealer service dept to troubleshoot what caused the indicator to light. Another possible is, on the last time you filled up with gas, did you make sure to put the gas cap on securely; this can cause a "Check Engine" light.

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